The evolutionary relationships of Cephalaspidea S.L. (Gastropoda: Opisthobranchia): A phylogenetic analysis

Malacologia

Volumn 37, Issue 2, 1996, Pages 375-442

  Mikkelsen, Paula M ^a,b,c  

^a FLORIDA ATLANTIC UNIVERSITY   (United States)

^b Florida Institute of Technology   (United States)

^c Delaware Museum of Natural History   (United States)

Author keywords

Anatomy; Cephalaspidea; Charactetrs; Cladistics; Heterobranchia; Opisthobranchia; Phylogeny; Systematics

Indexed keywords

EID: 21344444233     PISSN: 00762997     EISSN: None     Source Type: Book Series    
DOI: None     Document Type: Article

References (218)

1. BABA, K., 1966, Gross anatomy of the specimens of the shelled sacoglossan Volvatella (= Arthessa) collected from Okino-erabu Island, southern Kyushu, Japan (Nudibranchia). Publications of the Seto Marine Biological Laboratory, 14: 197-205, pls. 7-10.
2. BANDEL, K., 1976, Egg masses of 27 Caribbean opisthobranchs from Santa Marta, Colombia. Studies on Neotropical Fauna and Environment, 11: 87-118.
3. BARBER, V. C., 1968, The structure of mollusc statocysts, with particular reference to cephalopods. Pp. 37-62, in: J. D. CARTHY & G. E. NEWELL, Invertebrate receptors, 341 pp. Symposia of the Zoological Society of London no. 23. Academic Press, London.
4. BERRILL, N. J., 1931, The natural history of Bulla hydatis Linn. Journal of the Marine Biological Association of the United Kingdom, 17: 567-571.
5. BERRY, A. J., 1989, Spawning season and egg production in Forth Estuary Retusa obtusa (Montagu) (Gastropoda: Opisthobranchia). Journal of Molluscan Studies, 55: 455-459.
6. BICKELL, L. R. & F.-C. CHIA, 1979, Organogenesis and histogenesis in the planktotrophic veliger of Doridella steinbergae (Opisthobranchia: Nudibranchia). Marine Biology, 52: 291-313.
7. BIELER, R., 1988, Phylogenetic relationships in the gastropod family Architectonicidae, with notes on the family Mathildidae (Allogastropoda). Malacological Review, Suppl. 4 (Prosobranch Phylogeny): 205-240.
8. BIELER, R., 1992, Gastropod phylogeny and systematics. Annual Review of Ecology and Systematics, 23: 311-338.
9. BIELER, R. & P. M. MIKKELSEN, 1988, Anatomy and reproductive biology of two western Atlantic species of Vitrinellidae, with a case of protandrous hermaphroditism in the Rissoacea. The Nautilus, 102: 1-29.
10. BOETTGER, C. R., 1955 [1954], Die Systematik der euthyneuren Schnecken. Verhandlungen der Deutschen Zoologischen Gesellschaft (Zoologische Anzeiger: Supplementband), 18: 253-280.
11. BONAR, D. B. & M. G. HADFIELD, 1974, Metamorphosis of the marine gastropod Phestilla sibogae Bergh (Nudibranchia: Aeolidacea). I. Light and electron microscopic analysis of larval and metamorphic stages. Journal of Experimental Marine Biology and Ecology, 16: 227-255.
12. BOSS, K. J., 1982, Mollusca. Pp. 945-1166, in: S. P. PARKER, Synopsis and classification of living organisms, vol. 1, 1166 pp. McGraw-Hill Book Company, New York.
13. BOUCHET, P., 1975, Opisthobranches de profondeur de l'Ocean Atlantique. 1. - Cephalaspidea. Cahiers de Biologie Marine, 16: 317-365.
14. BRACE, R. C., 1977a, Anatomical changes in nervous and vascular systems during the transition from prosobranch to opisthobranch organization. Transactions of the Zoological Society of London, 34: 1-25.
15. BRACE, R. C., 1977b, The functional anatomy of the mantle complex and columellar muscle of tectibranch molluscs (Gastropoda: Opisthobranchia), and its bearing on the evolution of opisthobranch organization. Philosophical Transactions of the Royal Society of London, 277(951): 1-56.
16. BROWN, H. H., 1934, A study of a tectibranch gasteropod [sic] mollusc Philine aperta (L.). Transactions of the Royal Society of Edinburgh, 58: 179-210.
17. BULLOCK, T. H., 1965, Mollusca: Gastropoda. Pp. 1283-1386, in: T. H. BULLOCK & G. A. HORRIDGE, Structure and function in the nervous systems of invertebrates, vol. 2, 1719 pp. W. H. Freeman, San Francisco and London.
18. BURCH, J. B. & R. NATARAJAN, 1967, Chromosomes of some opisthobranchiate mollusks from Eniwetok Atoll, western Pacific. Pacific Science, 21: 252-259.
19. BURN, R., 1966, The opisthobranchs of a caulerpan microfauna from Fiji. Proceedings of the Malacological Society of London, 37: 45-65.
20. BURN, R. & K. N. BELL, 1974, Description of Retusa pelyx Burn sp. nov. (Opisthobranchia) and its food resources from Swan Bay, Victoria. Journal of the Malacological Society of Australia, 3: 37-42.
21. BUTOT, L. J. M. & B. KIAUTA, 1969, Cytotaxonomic observations in the stylommatophoran family Helicidae, with considerations on the affinities within the family. Malacologia, 9: 261-262.
22. CARTER, J. G., 1979, Comparative shed microstructure of the Mollusca, Brachiopoda and Bryozoa. Scanning Electron Microscopy, 2: 439-456.
23. CIMINO, G., G. SODANO & A. SPINELLA, 1987, New propionate-derived metabolites from Aglaja depicta and from its prey Bulla striata (opisthobranch molluscs). Journal of Organic Chemistry, 52: 5326-5331.
24. CIMINO, G., A. SPINELLA & G. SODANO, 1989, Potential alarm pheromones from the Mediterranean opisthobranch, Scaphander lignarius. Tetrahedron Letters, 30: 5003-5004.
25. CLARK, K. B., 1982, A new Volvatella (Mollusca: Ascoglossa) from Bermuda, with comments on the genus. Bulletin of Marine Science, 32: 112-120.
26. CLIMO, F. M., 1975, The anatomy of Gegania valkyrie Powell (Mollusca: Heterogastropoda: Mathildidae) with notes on other heterogastropods. Journal of the Royal Society of New Zealand, 5: 275-288.
27. COGGESHALL, R. E., 1969, A fine structural analysis of the statocyst in Aplysia californica. Journal of Morphology, 127: 113-132.
28. CURINI-GALLETTI, M. C., 1985, Chromosome morphology of Philinoglossa praelongata (Gastropoda Cephalaspidea). Journal of Molluscan Studies, 51: 220-222.
29. DORSETT, D. A., 1986, Brains to cells: the neuroanatomy of selected gastropod species. Pp. 101-187, in: A. O. D. WILLOWS, The Mollusca, 9, Neurophysiology and behavior, part 2, 499 pp. Academic Press, Orlando, Florida.
30. EALES, N. B., 1921, Aplysia. Proceedings and Transactions of the Liverpool Marine Biological Society, 35: 183-266, pls. 1-7.
31. EALES, N. B., 1938, A systematic and anatomical account of the Opisthobranchia. John Murray Expedition 1933-34, Scientific Reports, 5: 77-122, pl. 1.
32. EDLINGER, K., 1980a, Beiträge zur Anatomie, Histologie, Ultrastruktur und Physiologie der chemischen Sinnesorgane einiger Cephalaspidea (Mollusca, Opisthobranchia). Zoologischer Anzeiger, 205: 90-112.
33. EDLINGER, K., 1980b, Zur Phylogenie der chemischen Sinnesorgane einiger Cephalaspidea (Mollusca-Opisthobranchia). Zeitschrift für Zoologische Systematik und Evolutionsforschung, 18: 241-256.
34. EVANS, T. J., 1950, A review of Pease's genus Volvatella, together with a preliminary report on a new sacoglossan genus. Proceedings of the Malacological Society of London, 28: 102-106.
35. FARRIS, J. S., 1969, A successive approximations approach to character weighting. Systematic Zoology, 18: 374-385.
36. FARRIS, J. S., 1988, Hennig86 reference, version 1.5. Port Jefferson Station, New York.
37. FERNANDEZ-OVIES, C., J. ORTEA RATO & J. PEREZ SANCHEZ, 1984, Nuevos datos anatómicos y biológicos de Ercolanía Iozanoi Ortea, 1981 (Opisthobranchia: Ascoglossa). Cuadernos del Crinas, 6: 39-44.
38. FISCHER, P., 1880-1887, Manuel de conchyliologie et de paléontologie conchyliologique ou histoire naturelle des mollusques vivants et fossiles suivi d'un appendice sur les brachiopodes par D. P. Oehlert. Librairie F. Savy, Paris;
39. FISCHER, P., Manuel de conchyliologie et de paléontologie conchyliologique ou histoire naturelle des mollusques vivants et fossiles suivi d'un appendice sur les brachiopodes par D. P. Oehlert 1: 1-112 (1880);
40. FISCHER, P., Manuel de conchyliologie et de paléontologie conchyliologique ou histoire naturelle des mollusques vivants et fossiles suivi d'un appendice sur les brachiopodes par D. P. Oehlert 2: 113-192 (1881a);
41. FISCHER, P., Manuel de conchyliologie et de paléontologie conchyliologique ou histoire naturelle des mollusques vivants et fossiles suivi d'un appendice sur les brachiopodes par D. P. Oehlert 3: 193-304 (1881b);
42. FISCHER, P., Manuel de conchyliologie et de paléontologie conchyliologique ou histoire naturelle des mollusques vivants et fossiles suivi d'un appendice sur les brachiopodes par D. P. Oehlert 4: 305-416 (1882);
43. FISCHER, P., Manuel de conchyliologie et de paléontologie conchyliologique ou histoire naturelle des mollusques vivants et fossiles suivi d'un appendice sur les brachiopodes par D. P. Oehlert 5: 417-512 (1883a);
44. FISCHER, P., Manuel de conchyliologie et de paléontologie conchyliologique ou histoire naturelle des mollusques vivants et fossiles suivi d'un appendice sur les brachiopodes par D. P. Oehlert 6: 513-608 (1883b);
45. FISCHER, P., Manuel de conchyliologie et de paléontologie conchyliologique ou histoire naturelle des mollusques vivants et fossiles suivi d'un appendice sur les brachiopodes par D. P. Oehlert 7: 609-688 (1884);
46. FISCHER, P., Manuel de conchyliologie et de paléontologie conchyliologique ou histoire naturelle des mollusques vivants et fossiles suivi d'un appendice sur les brachiopodes par D. P. Oehlert 8: 689-784 (1885a);
47. FISCHER, P., Manuel de conchyliologie et de paléontologie conchyliologique ou histoire naturelle des mollusques vivants et fossiles suivi d'un appendice sur les brachiopodes par D. P. Oehlert 9: 785-896 (1885b);
48. FISCHER, P., Manuel de conchyliologie et de paléontologie conchyliologique ou histoire naturelle des mollusques vivants et fossiles suivi d'un appendice sur les brachiopodes par D. P. Oehlert 10: 897-1008 (1886);
49. FISCHER, P., Manuel de conchyliologie et de paléontologie conchyliologique ou histoire naturelle des mollusques vivants et fossiles suivi d'un appendice sur les brachiopodes par D. P. Oehlert 11: 1009-1369 (1887).
50. FRANZ, D. R., 1971, Development and metamorphosis of the gastropod Acteocina canaliculata (Say). Transactions of the American Microscopical Society, 90: 174-182.
51. FRETTER, V., 1939, The structure and function of the alimentary canal of some tectibranch molluscs, with a note on excretion. Transactions of the Royal Society of Edinburgh, 59: 599-646.
52. FRETTER, V., 1960, Observations on the tectibranch Ringicula buccinea (Brocchi). Proceedings of the Zoological Society of London, 135: 537-549.
53. FRETTER, V. & A. GRAHAM, 1954, Observations on the opisthobranch mollusc Acteon tornatilis (L). Journal of the Marine Biological Association of the United Kingdom, 33: 565-585.
54. FRETTER, V. & A. GRAHAM, 1994, British prosobranch molluscs; their functional anatomy and ecology, rev. ed., 820 pp. Ray Society, London.
55. FRETTER, V. & B. H. KO, 1979, The specialization of the aplysiid gut. Malacologia, 18: 7-11.
56. FRIEDMAN, G. M., 1959, Identification of carbonate minerals by staining methods. Journal of Sedimentary Petrology, 29: 87-97.
57. FURROW, C. L., 1935a, Development of the hermaphrodite genital organs of Valvata tricarinata. Zeitschrift für Zellforschung und Mikroskopische Anatomie, 22: 282-304.
58. FURROW, C. L., 1935b, Sex conditions in a Japanese Valvata. Transactions of the Illinois Academy of Science, 28: 47-81.
59. GASCOIGNE, T., 1985, A provisional classification of families of the order Ascoglossa (Gastropoda: Nudibranchiata). Journal of Molluscan Studies, 51: 8-22.
60. GAVAGNIN, M., A. SPINELLA, F. CASTELLUCCIO, G. CIMINO & A. MARIN, 1994, Polypropionates from the Mediterranean mollusk Elysia timida. Journal of Natural Products, 57: 298-304.
61. GHISELIN, M. T., 1963, On the functional and comparative anatomy of Runcina setoensis Baba, an opisthobranch gastropod. Publications of the Seto Marine Biological Laboratory, 11: 389-398, pl. 16.
62. GHISELIN, M. T., 1966 [1965], Reproductive function and the phylogeny of opisthobranch gastropods. Malacologia, 3: 327-378.
63. GOSLINER, T. M., 1978, The evolution of the Cephalaspidea (Mollusca: Gastropoda) and its implications to the origins and phylogeny of the Opisthobranchia, 205 pp., 22 pls. Ph. D. Dissertation, University of New Hampshire, Durham, New Hampshire.
64. GOSLINER, T. M., 1979, A review of the systematics of Cylichnella Gabb (Opisthobranchia: Scaphandridae). The Nautilus, 93: 85-92.
65. GOSLINER, T. M., 1981, Origins and relationships of primitive members of the Opisthobranchia (Mollusca: Gastropoda). Biological Journal of the Linnean Society, 16: 197-225.
66. GOSLINER, T. M., 1990, Opisthobranch mollusks from the Azores Islands. I. Runcinidae and Chromodorididae. Açoreana, Suppl.: 135-166.
67. GOSLINER, T. M., 1992, The concept of monophyly and its application to gastropod phylogeny and classification. Program and Abstracts, 58th Annual Meeting, American Malacological Union. Sarasota, Florida: 28.
68. GOSLINER, T. M., 1994, Gastropoda: Opisthobranchia. Pp. 253-335, in: F. W. HARRISON & A. J. KOHN, Microscopic anatomy of invertebrates, 5, Mollusca I, 390 pp. Wiley-Liss, New York.
69. GRAY, J. E., 1847, A list of the genera of Recent Mollusca, their synonyma and types. Proceedings of the Zoological Society of London, 1847: 129-219.
70. GRISWOLD, C. E., 1993, Investigations into the phylogeny of the lycosoid spiders and their kin (Arachnida: Araneae: Lycosoidea). Smithsonian Contributions to Zoology, 539: 1-39.
71. GUIART, J., 1901, Contribution à l'étude des gastéropodes opisthobranches et en particulier des céphalaspides, 219 pp., 7 pls. Ph. D. Dissertation, Université de Paris.
72. GUYER, M. F., 1936, Animal micrology: practical exercises in zoological micro-technique, 4th rev. ed., 331 pp. University of Chicago Press.
73. HADFIELD, M. G. & M. SWITZER-DUNLAP, 1984, Opisthobranchs. Pp. 209-350, in: A. S. TOMPA, N. H. VERDONK & J. A. M. VAN DEN BIGGELAAR, The Mollusca, 7, Reproduction, 486 pp. Academic Press, Orlando, Florida.
74. HARRIGAN, J. F. & D. L. ALKON, 1978, Laboratory cultivation of Haminoea solitaria (Say, 1822) and Elysia chlorotica (Gould, 1870). The Veliger, 21: 299-305.
75. HASZPRUNAR, G., 1985a, The Heterobranchia - a new concept of the phylogeny of the higher Gastropoda. Zeitschrift für Zoologische Systematik und Evolutionsforschung, 23: 15-37.
76. HASZPRUNAR, G., 1985b, On the anatomy and systematic position of the Mathildidae (Mollusca, Aliogastropoda). Zoologica Scripta, 14: 201-213.
77. HASZPRUNAR, G., 1985c, Zur Anatomie und systematischen Stellung der Architectonicidae (Mollusca, Aliogastropoda). Zoologica Scripta, 14: 25-43.
78. HASZPRUNAR, G., 1986, Fine morphology of gastropod osphradia. Pp. 101-104, in: L PINTÉR, Proceedings of the Eighth International Malacological Congress, 342 pp. Unitas Malacologia, Budapest, Hungary.
79. HASZPRUNAR, G., 1988, On the origin and evolution of major gastropod groups, with special reference to the Streptoneura. Journal of Molluscan Studies, 54: 367-441.
80. HEALY, J. M., 1981, Ultrastructure of the spermatozoon of an opisthobranch Tornatina sp. (Mollusca, Gastropoda, Retusidae). Zoologica Scripta, 11: 221-226.
81. HEALY, J. M., 1982, Ultrastructure of spermiogenesis of Philippia (Psilaxis) oxytropis with special reference to the taxonomic position of the Architectonicidae. Zoomorphology, 101: 197-214.
82. HEALY, J. M., 1987, Spermatozoan ultrastructure and its bearing on gastropod classification and evolution. Australian Zoologist, 24: 108-113.
83. HEALY, J. M., 1988a, Sperm morphology and its systematic importance in the Gastropoda. Malacological Review, Suppl. 4 (Prosobranch Phylogeny): 251-266.
84. HEALY, J. M., 1988b, The ultrastructure of spermatozoa and spermiogenesis in pyramidellid gastropods, and its systematic importance. Helgoländer Meeresuntersuchungen, 42: 303-318.
85. HEALY, J. M., 1993, Comparative sperm ultrastructure and spermiogenesis in basal heterobranch gastropods (Valvatoidea, Architectonicoidea, Rissoelloidea, Omalogyroidea, Pyramidelloidea) (Mollusca). Zoologica Scripta, 22: 263-276.
86. HEALY, J. M. & R. C. WILLAN, 1984, Ultrastructure and phylogenetic significance of notaspidean spermatozoa (Mollusca, Gastropoda, Opisthobranchia). Zoologica Scripta, 13: 107-120.
87. HEALY, J. M. & R. C. WILLAN, 1991, Nudibranch spermatozoa: comparative ultrastructure and systematic importance. The Veliger, 34: 134-165.
88. HOFFMANN, H., 1932-1939, Dr. H.G. Bronns Klassen und Ordnungen des Tierreichs. 3. Band: Mollusca. II. Abteilung: Gastropoda. 3. Buch: Opisthobranchia. 1: 1-152 (1932),
89. HOFFMANN, H., Dr. H.G. Bronns Klassen und Ordnungen des Tierreichs 2: 153-312 (1933),
90. HOFFMANN, H., Dr. H.G. Bronns Klassen und Ordnungen des Tierreichs 3: 313-488 (1934),
91. HOFFMANN, H., Dr. H.G. Bronns Klassen und Ordnungen des Tierreichs 4: 489-640 (1935),
92. HOFFMANN, H., Dr. H.G. Bronns Klassen und Ordnungen des Tierreichs 5: 641-864 (1936),
93. HOFFMANN, H., Dr. H.G. Bronns Klassen und Ordnungen des Tierreichs 6: 865-1104 (1938),
94. HOFFMANN, H., Dr. H.G. Bronns Klassen und Ordnungen des Tierreichs 7: 1105-1247 (1939).
95. HORIKOSHI, M., 1967, Reproduction, larval features and life history of Philine denticulata (J. Adams) (Mollusca - Tectibranchia). Ophelia, 4: 43-84.
96. HOWELLS, H. H., 1942, The structure and function of the alimentary canal of Aplysia punctata. Quarterly Journal of Microscopical Science, 83: 357-397.
97. HUBER, G., 1993, On the cerebral nervous system of marine Heterobranchia (Gastropoda). Journal of Molluscan Studies, 59: 381-420.
98. HUMASON, G. L., 1962, Animal tissue techniques, 468 pp. W. H. Freeman, San Francisco and London.
99. HURST, A., 1965, Studies on the structure and function of the feeding apparatus of Philine aperta with a comparative consideration of some other opisthobranchs. Malacologia, 2: 281-347.
100. HURST, A., 1967, The egg masses and veligers of thirty northeast Pacific opisthobranchs. The Veliger, 9: 255-288, pls. 26-38.
101. HYMAN, L. H., 1967, The invertebrates, Vol. VI, Mollusca I, 792 pp. McGraw-Hill, New York.
102. INABA, A., 1959, Cytological studies in molluscs. III. A chromosome survey in the opisthobranchiate Gastropoda. Annotationes Zoologicae Japonenses, 32: 81-87.
103. JABLONSKI, D., 1986, Larval ecology and macroevolution in marine invertebrates. Bulletin of Marine Science, 39: 565-587.
104. JENSEN, K. R., 1992, Anatomy of some Indo-Pacific Elysiidae (Opisthobranchia: Sacoglossa (= Ascoglossa), with a discussion of the generic division and phylogeny. Journal of Molluscan Studies, 58: 257-296.
105. JENSEN, K. R. & F. E. WELLS, 1990, Sacoglossa (= Ascoglossa) (Mollusca, Opisthobranchia) from southern Western Australia. Pp. 297-331, in: F. E. WELLS, D. I. WALKER, H. KIRKMAN & R. LETHBRIDGE, Proceedings of the Third International Marine Biological Workshop: The marine flora and fauna of Albany, Western Australia, vol. 1, 437 pp. Western Australian Museum, Perth.
106. JOHANSSON, J., 1954, On the palliai gonoduct of Actaeon tornatilis (L.) and its significance for the phylogeny of the Euthyneura. Zoologiska Bidrag från Uppsala, 30: 223-232, pl. 1.
107. KANDEL, E. R., 1979, Behavioral biology of Aplysia: a contribution to the comparative study of opisthobranch molluscs, 463 pp. W. H. Freeman, San Francisco.
108. KAWAGUTI, S. & T. YAMASU, 1966, Development of the nervous system in a bivalved gastropod. Biological Journal of Okayama University, 12: 61-67.
109. KAY, E. A., 1968, A review of the bivalved gastropods and a discussion of evolution within the Sacoglossa. Pp. 109-134, in: V. FRETTER, Studies in the structure, physiology and ecology of molluscs, 377 pp. Symposia of the Zoological Society of London no. 22.
110. KEEN, A. M., 1971, Sea shells of tropical west America, 2nd ed., 1064 pp. Stanford University Press, Stanford, California.
111. KRESS, A., 1985, A structural analysis of the spermatophore of Runcina ferruginea Kress (Opisthobranchia: Cephalaspidea). Journal of the Marine Biological Association of the United Kingdom, 65: 337-342.
112. KRIEGSTEIN, A. R., 1977, Stages in the post-hatching development of Aplysia californica. Journal of Experimental Zoology, 199: 275-288.
113. LEMCHE, H., 1956, The anatomy and histology of Cylichna (Gastropoda Tectibranchia). Spolia Zoologica Musei Hauniensis, 16: 1-278, pls. 1-46.
114. LINDBERG, D. R. & W. F. PONDER, 1991, A phylogenetic analysis of the Gastropoda. Abstracts with Programs. Geological Society of America, 1991: A160-A161.
115. LLOYD, H. M., 1952, A study of the reproductive systems of some opisthobranchiate molluscs, 102 pp. Ph. D. Dissertation, University of London.
116. LOWENSTAM, H. A., 1968, Weddellite in a marine gastropod and in Antarctic sediments. Science, 162: 1129-1130.
117. LUQUE, A. A., 1983, Contribucion al conocimiento de los gasteropodos de las costas de Malaga y Granada. I. Opistobranquios (I). Iberus, 3: 51-74.
118. MANN, T., 1984, Spermatophores: development, structure, biochemical attributes and role in the transfer of spermatozoa, 217 pp. Springer-Verlag, Berlin.
119. MARCUS, ER., 1957, On Opisthobranchia from Brazil (2). Journal of the Linnean Society of London. Zoology, 43: 390-486.
120. MARCUS, ER., 1958, On western Atlantic opisthobranchiate gastropods. American Museum Novitates, 1906: 1-82.
121. MARCUS, ER. & EV. MARCUS, 1970, Opisthobranchs from Curaçao and faunistically related regions. Studies on the Fauna of Curaçao and Other Caribbean Islands, 33: 1-129, 160 figs.
122. MARCUS, EV., 1970, Opisthobranchs from northern Brazil. Bulletin of Marine Science, 20: 922-951.
123. MARCUS, EV., 1972, On some Opisthobranchs from Florida. Bulletin of Marine Science, 22: 284-308.
124. MARCUS, EV., 1974, On some Cephalaspidea (Gastropoda: Opisthobranchia) from the western and middle Atlantic warm waters. Bulletin of Marine Science, 24: 300-371.
125. MARCUS, EV., 1976, Opisthobranchia von Santa Marta, Colombia. Studies on the Neotropical Fauna and Environment, 11: 119-150.
126. MARCUS, EV., 1977b, On the genus Tornatina and related forms. Journal of Molluscan Studies, Suppl. 2: 1-35.
127. MARCUS, EV. & J. B. BURCH, 1965, Marine euthyneuran Gastropoda from Eniwetok Atoll, western Pacific. Malacologia, 3: 235-262.
128. MARCUS, EV. & ER. MARCUS, 1956, On the tectibranch gastropod Cylindrobulla. Anais da Academia Brasileira de Ciências, 28: 119-128, 2 pls.
129. MARCUS, EV. & ER. MARCUS, 1960, Opisthobranchs from American Atlantic warm waters. Bulletin of Marine Science of the Gulf and Caribbean, 10: 129-203.
130. MARCUS, EV. & ER. MARCUS, 1967a, Opisthobranchs from the southwestern Caribbean Sea. Bulletin of Marine Science, 17: 597-628.
131. MARCUS, EV. & ER. MARCUS, 1967b, Tropical American opisthobranchs. Studies in Tropical Oceanography, 6: 3-137.
132. MIKKELSEN, P. M., 1990, Diet versus feeding morphology in Cephalaspidea (Gastropoda, Opisthobranchia). Program and Abstracts, 56th Annual Meeting. American Malacological Union. Woods Hole, Massachusetts: 50.
133. MIKKELSEN, P. M., 1993, Monophyly versus the Cephalaspidea (Gastropoda, Opisthobranchia) with an analysis of traditional cephalaspid characters. Bolletino Malacologico, 29: 115-138.
134. MIKKELSEN, P. M., 1994, The evolutionary relationships of Cephalaspidea s.l. (Gastropoda: Opisthobranchia): a phylogenetic analysis, 236 pp. Ph. D. Dissertation, Florida Institute of Technology, Melbourne, Florida.
135. MIKKELSEN, P. M., 1995, Cephalaspid opisthobranchs of the Azores. Açoreana, Suppl. 1995: 193-215.
136. MIKKELSEN, P. S. & P. M. MIKKELSEN, 1984, Comparison of Acteocina canaliculata (Say, 1826), A. candei (d'Orbigny, 1841), and A. atrata spec. nov. (Gastropoda: Cephalaspidea). The Veliger, 27: 164-192.
137. MINICHEV, Y. S., 1966, [Morphological peculiarities of abyssal Cephalaspidea (Gastropoda, Opisthobranchia)] [In Russian with English summary]. Zoologicheskii Zhurnal, 45: 509-517.
138. MINICHEV, Y. S., 1967, [Studies on the morphology of the lower Opisthobranchia] [In Russian with English summary]. Trudy Zoologicheskogo Instituta, Akademiya Nauk S. S. S. R., Leningrad, 44: 109-182.
139. MINICHEV, Y. S., 1971, [On the fauna, ecology and systematic Retusidae (Opisthobranchia Cephalaspidea) of the Possjet Bay of the Sea of Japan] [In Russian with English title only]. Issledovaniya Fauny Morei, Leningrad, Nauka, 8: 230-241.
140. MORTON, J. E., 1972, The form and functioning of the pallial organs in the opisthobranch Akera bullata with a discussion on the nature of the gill in Notaspidea and other tectibranchs. The Veliger, 14: 337-349.
141. MORTON, J. E. & N. A. HOLME, 1955, The occurrence at Plymouth of the opisthobranch Acera bullata, with notes on its habits and relationships. Journal of the Marine Biological Association of the United Kingdom, 34: 101-112.
142. NATARAJAN, R., 1970, Cytological studies of Indian mollusks: chromosomes of some opisthobranchs from Porto Novo, south India. Malacological Review, 3: 19-23.
143. NIXON, K. C., 1991, Clados ver. 1.1. L. H. Bailey Hortorium, Cornell University, Ithaca, New York.
144. ODHNER, N. HJ., 1926, Die Opisthobranchien. Further Zoological Results of the Swedish Antarctic Expedition 1901-1903 under the Direction of Dr. Otto Nordenskjöld, 2(1): 1-100, pls. 1-3.
145. OSTERGAARD, J. M., 1950, Spawning and development of some Hawaiian marine gastropods. Pacific Science, 4: 75-115.
146. PAGE, R. D. M., 1993, Component, version 2.0: tree comparison software for use with Microsoft® Windows™: user's guide. The Natural History Museum, London.
147. PATTERSON, C. M., 1969, Chromosomes of molluscs. Pp. 635-686, in: Proceedings of Symposium on Mollusca, Part II. Marine Biological Association of India.
148. PELSENEER, P., 1894, Recherches sur divers opisthobranches. Mémoires Couronnés et Mémoires des Savants Étrangers, l'Académie Royale des Sciences, des Lettres et des Beaux-Arts de Belgique, 53: 1-157. [Not seen; cited by Minichev, 1967.]
149. PELSENEER, P., 1924, Organisation et position systématique du genre Ringicula. Annales de la Société Royale Zoologique et Malacologique de Belgique, 55: 53-58.
150. PERRIER, R. & H. FISCHER, 1911, Recherches anatomiques et histologiques sur la cavité palléale et ses dépendances chez les bulléens. Annales des Sciences Naturelles, Zoologie, (9)14: 1-189, 9 pls.
151. PERRIER, R. & H. FISCHER, 1914, Sur l'existence de spermatophores chez quelques opisthobranches. Comptes Rendus des Seances de l'Academie des Sciences, 158: 1366-1369.
152. PETRUNKEVITCH, A., 1933, New fixing fluids for general purposes. Science, 77: 117-118.
153. PILSBRY, H. A., 1894-1896, Manual of conchology: structural and systematic [by George W. Tryon, Jr.; continuation by Henry A. Pilsbry]. Academy of Natural Sciences, Philadelphia; (1) 15(59): 133-180, pls. 18-42 [1894],
154. PILSBRY, H. A., Manual of conchology: structural and systematic 15(60): 181-436, pls. 43-50, 59-61 [1895a],
155. PILSBRY, H. A., Manual of conchology: structural and systematic 16(61): 1-48, pls. 1-16 [1895b],
156. PILSBRY, H. A., Manual of conchology: structural and systematic 16(62): 49-112, pls. 17-31 [1895c],
157. PILSBRY, H. A., Manual of conchology: structural and systematic 16(63): 113-160, pls. 32-43 [1896a],
158. PILSBRY, H. A., Manual of conchology: structural and systematic 16(64, 64a): 161-262, i-vii, pls. 44-74, frontispiece [1896b].
159. PONDER, W. F. & D. R. LINDBERG, 1992, Gastropod phylogeny - a cladistic evaluation. Program and Abstracts, 58th Annual Meeting, American Malacological Union, Sarasota, Florida: 35.
160. PONDER, W. F. & A. WAREN, 1988, Appendix: Classification of the Caenogastropoda and Heterostropha - a list of the family-group names and higher taxa. Malacological Review, Suppl. 4 (Prosobranch Phylogeny): 288-326.
161. PURCHON, R. D., 1977, The biology of the Mollusca, 2nd ed., 560 pp. Pergamon Press, Oxford, U.K.
162. RASMUSSEN, E., 1944, Faunistic and biological notes on marine invertebrates I. The eggs and larvae of Brachystomia rissoides (Hanl.), Eulimella nitidissima (Mont.), Retusa truncatula (Brug.) and Embletonia pallida (Alder and Hancock), (Gastropoda marina). Videnskabelige Meddelelser fra Dansk Naturhistorisk Forening, 107: 207-233.
163. REID, J. D., 1964, The reproduction of the sacoglossan opisthobranch Elysia maoria. Proceedings of the Zoological Society of London, 143: 365-393.
164. ROBERTSON, R., 1974 [1973], The biology of the Architectonicidae, gastropods combining prosobranch and opisthobranch traits. Malacologia, 14: 215-220.
165. ROBERTSON, R., 1985, Four characters and the higher category systematics of gastropods. American Malacological Bulletin, Spec. Ed. 1: 1-22.
166. ROBERTSON, R., 1989, Spermatophores of aquatic non-stylommatophoran gastropods: a review with new data on Heliacus. Malacologia, 30: 341-364.
167. ROBLES, L. J., 1975, The anatomy and functional morphology of the reproductive system of Bulla gouldiana (Gastropoda: Opisthobranchia). The Veliger, 17: 278-291.
168. RUDMAN, W. B., 1971a, On the opisthobranch genus Haminoea Turton and Kingston. Pacific Science, 25: 545-559.
169. RUDMAN, W. B., 1971b, Structure and functioning of the gut in the Bullomorpha (Opisthobranchia). Part 1. Herbivores. Journal of Natural History, 5: 647-675.
170. RUDMAN, W. B., 1972a, The anatomy of the opisthobranch genus Hydatina and the functioning of the mantle cavity and alimentary canal. Zoological Journal of the Linnean Society, 51: 121-139.
171. RUDMAN, W. B., 1972b, The genus Philine (Opisthobranchia, Gastropoda). Proceedings of the Malacological Society of London, 40: 171-187.
172. RUDMAN, W. B., 1972c, The herbivorous opisthobranch genera Phanerophthalmus A. Adams and Smaragdinella A. Adams. Proceedings of the Malacological Society of London, 40: 189-210.
173. RUDMAN, W. B., 1972d, A study of the anatomy of Pupa and Maxacteon (Acteonidae, Opisthobranchia), with an account of the breeding cycle of Pupa kirki. Journal of Natural History, 6: 603-619.
174. RUDMAN, W. B., 1978, A new species and genus of the Aglajidae and the evolution of the philinacean opisthobranch molluscs. Zoological Journal of the Linnean Society, 62: 89-107.
175. RUSSELL, L., 1929, The comparative morphology of the elysioid and aeolidioid types of the molluscan nervous system, and its bearing on the relationships of the ascoglossan nudibranchs. Proceedings of the Zoological Society, 1929: 197-233, pls. 1-10.
176. SALVINI-PLAWEN, L. VON, 1970, Zur systematischen Stellung von Soleolifera und Rhodope (Gastropoda, Euthyneura). Zoologische Jahrbücher, Systematik, 97: 285-299.
177. SALVINI-PUWEN, L. VON, 1988, The structure and function of molluscan digestive systems. Pp. 301-379, in: E. R. TRUEMAN & M. R. CLARKE, The Mollusca, 11, Form and function, 504 pp. Academic Press, San Diego.
178. SALVINI-PLAWEN, L. VON, 1991a, Origin, phylogeny and classification of the phylum Mollusca. Iberus, 9: 1-33.
179. SALVINI-PLAWEN, L. VON, 1991b, The status of the Rhodopidae (Gastropoda: Euthyneura). Malacologia, 32: 301-311.
180. SANDERS-ESSER, B., 1984, Vergleichende Untersuchungen zur Anatomie und Histologie der vorderen Genitalorgane der Ascoglossa (Gastropoda, Euthyneura). Zoologische Jahrbücher Anatomie, 111: 195-243.
181. SAUNDERS, A. M. C. & M. POOLE, 1910, The development of Aplysia punctata. The Quarterly Journal of Microscopical Science, 55: 497-539, pl. 22.
182. SCHMEKEL, L., 1971, Histologie und Feinstruktur der Genitalorgane von Nudibranchiern (Gastropoda, Euthyneura). Zeitschrift für Morphologie der Tiere, 69: 115-183.
183. SCHMEKEL, L., 1985, Aspects of evolution within the opisthobranchs. Pp. 221-267, in: E. R. TRUEMAN & M. R. CLARKE, The Mollusca, 10, Evolution, 491 pp. Academic Press, Orlando.
184. SCHOCH, R. M., 1986, Phylogeny reconstruction in paleontology, 351 pp. Van Nostrand Reinhold, New York.
185. SEAGER, J. R., 1978, A redescription of the Antarctic opisthobranch Philine gibba Strebel, 1908, from the type locality, South Georgia, South Atlantic. Journal of Molluscan Studies, 44: 171-179.
186. SEAGER, J. R., 1979, Reproductive biology of the Antarctic opisthobranch Philine gibba Strebel. Journal of Experimental Marine Biology and Ecology, 41: 51-74.
187. SMALLWOOD, W. M., 1903, Natural history of Haminea solitaria Say. American Naturalist, 38: 207-225.
188. SMITH, S. T., 1967, The development of Retusa obtusa (Montagu) (Gastropoda, Opisthobranchia). Canadian Journal of Zoology, 45: 737-764.
189. SOLIMAN, G. N., 1987, A scheme for classifying gastropod egg masses with special reference to those from the northwestern Red Sea. Journal of Molluscan Studies, 53: 1-12.
190. SPINELLA, A., L. A. ALVAREZ & G. CIMINO, 1993a, Predator-prey relationship between Navanax inermis and Bulla gouldiana: a chemical approach. Tetrahedron, 49: 3203-3210.
191. SPINELLA, A., L. A. ALVAREZ, A. PASSEGGIO & G. CIMINO, 1993b, New 3-alkylpyridines from three Mediterranean cephalaspidean molluscs: structure, ecological role and taxonomic relevance. Tetrahedron, 49: 1307-1314.
192. STEINBERG, J. E., 1963, Notes on the opisthobranchs of the west coast of North America. II. The order Cephalaspidea from San Diego to Vancouver Island. The Veliger, 5: 114-117.
193. STRATHMANN, R. R., 1993, Hypotheses on the origins of marine larvae. Annual Review of Ecology and Systematics, 24: 89-117.
194. SWITZER-DUNLAP, M. & M. G. HADFIELD, 1977, Observations on the development, larval growth and metamorphosis of four species of Aplysiidae (Gastropoda: Opisthobranchia) in laboratory culture. Journal of Experimental Marine Biology and Ecology, 29: 245-261.
195. TCHANG SI, 1931, Contribution a l'étude des mollusques opisthobranches de la côte provençale, 221 pp., 8 pls. Ph.D. Dissertation, Université de Lyon, France.
196. THIELE, J., 1929-1931, Handbuch der systematischen Weichtierkunde, 1154 pp. Gustav Fischer Verlag, Jena, Germany.
197. [English translation: R. BIELER & P. M. MIKKELSEN, eds., 1992 (vols. 1-2) and in preparation (vol. 3), Handbook of systematic malacology. Smithsonian Institution Libraries and National Science Foundation, Washington, D.C.]
198. THOMPSON, T. E., 1962, Studies on the ontogeny of Tritonia hombergi Cuvier (Gastropoda Opisthobranchia). Philosophical Transactions of the Royal Society of London (B) 722: 171-218. [not seen; cited by W. F. Ponder, in litt.]
199. THOMPSON, T. E., 1973, Euthyneuran and other molluscan spermatozoa. Malacologia, 14: 167-206, addendum 443-444.
200. THOMPSON, T. E., 1976, Biology of opisthobranch molluscs I, 207 pp., 21 pls. Ray Society, London.
201. THOMPSON, T. E., 1979, Biology and relationships of the South African sacoglossan mollusc Volvatella laguncula. Journal of Zoology, London, 189: 339-347.
202. THOMPSON, T. E. & A. BEBBINGTON, 1969, Structure and function of the reproductive organs of three species of Aplysia (Gastropoda: Opisthobranchia). Malacologia, 7: 347-380.
203. THOMPSON, T. E., G. M. JARMAM & A. ZENETOS, 1985, Infralittoral macrobenthos of the Patras Gulf and Ionian Sea: opisthobranch molluscs. Journal of Conchology, 32: 71-95.
204. THORSON, G., 1946, Reproduction and larval development of Danish marine bottom invertebrates, with species reference to the planktonic larvae in the sound (Oresund), 523 pp. C. A. Reitzels Forlag, Copenhagen.
205. TRACEY, S., J. A. TODD & D. H. ERWIN, 1993, Mollusca: Gastropoda. Pp. 131-167, in: M. J. BENTON, The Fossil Record 2, 845 pp. Chapman and Hall, London.
206. VACCA, L. L., 1985, Laboratory manual of histochemistry, 578 pp. Raven Press, New York.
207. VAYSSIERE, A., 1879-1880, Recherches anatomiques sur les mollusques de la famille des Bullidés. Annales des Sciences Naturelles, Zoologie, (6)9: 1-123, pls. 1-12.
208. VAYSSIÈRE, A., 1893, Étude anatomique sur le Coléophysis (Utriculus) truncatula, Brug. Annales de la Faculté des Sciences de Marseille, 3: 1-13, 1 pl.
209. VITTURI, R., E. CATALANO, M. MACALUSO & N. PARRINELLO, 1985, The chromosomes in certain species of the sub-class Opisthobranchia (Mollusca, Gastropoda). Biologisches Zentralblatt, 104: 701-710.
210. WILLAN, R. C., 1987, Phylogenetic systematics of the Notaspidea (Opisthobranchia) with reappraisal of families and genera. American Malacological Bulletin, 5: 215-241.
211. WILLEM, V., 1892, Contributions à l'étude physiologique des organes des sens chez les mollusques. III. Observations sur la vision et les organes visuels de quelques mollusques prosobranches et opisthobranches. Archives de Biologie, 12: 123-149, pls. 4-5.
212. WILLIAMS, G. C., 1975, Phylogenetic implications of the degree of concentration within the opisthobranch nervous system, 151 pp. Masters Thesis, San Francisco State University, San Francisco, California.
213. WINNER, B. E., 1984, Observations on Hydatina vesicaria laying eggs. Conchologists of America Bulletin, 12: 58-59.
214. WINNER, B. E., 1985, A field guide to molluscan spawn, vol. I, 139 pp. E. B. M., North Palm Beach, Florida.
215. WINNER, B. E. & P. M. MIKKELSON [sic], 1986, The purple spill: two Haminoea spp. in Lake Worth, Florida. Hawaiian Shell News, 35: 12.
216. YAMASU, T., 1968, Anatomy and histology of a bivalved gastropod, Julia japonica. Biological Journal of Okayama University, 14: 35-53.
217. YONOW, N., 1992, The radula of Acteon tornatilis (L.) (Opisthobranchia: Acteonidae). Journal of Conchology, 34: 143-147.
218. ZEHRA, I. & R. PERVEEN, 1992, Observations on the mating behavior, spawn mass and larval development of Hydatina physis Linne, 1758 (Cephalaspidea: Hydatinidae) from Karachi. Pakistan Journal of Marine Studies, 1: 127-133.