Annelid Phylogeny-Molecular Analysis with an Emphasis on Model Annelids

Annelids in Modern Biology

Volumn , Issue , 2009, Pages 13-30

  Bleidorn, Christoph ^a  

^a UNIVERSITY OF POTSDAM   (Germany)

Author keywords

Annelid phylogeny and 18S rRNA gene; Annelid phylogeny molecular analysis and emphasis on model annelids; Annelid phylogeny problems in inferring

Indexed keywords

EID: 77953135114     PISSN: None     EISSN: None     Source Type: Book    
DOI: 10.1002/9780470455203.ch2     Document Type: Chapter

References (119)

1. Aguado, M.T., Nygren, A., Siddall, M.E. 2007. Phylogeny of Syllidae (Polychaeta) based on combined molecular analysis of nuclear and mitochondrial genes. Cladistics 23, 552-564.
2. Apakupakul, K., Siddall, M.E., Burreson, E. 1999. Higher level relationships of leeches (Annelida: Clitellata: Euhirudinea) based on morphology and gene sequences. Mol. Phylogenet. Evol. 12, 350-359.
3. Bartolomaeus, T. 1995. Structure and formation of the uncini in Pectinaria koreni, Pectinaria auricoma (Terebellida) and Spirorbis spirorbis (Sabellida): implications for annelid phylogeny and the position of the Pogonophora. Zoomorphology 115, 161-177.
4. Bartolomaeus, T., Purschke, G., Hausen, H. 2005. Polychaete phylogeny based on morphological data-a comparison of current attempts. Hydrobiologia 535 /536, 341-356.
5. Baurain, D., Brinkmann, H., Philippe, H. 2007. Lack of resolution in the animal phylogeny: closely spaced cladogeneses or undetected systematic errors? Mol. Biol. Evol. 24, 6-9.
6. Bely, A.E., Weisblat, D.A. 2006. Lessons from leeches: a call for DNA barcoding in the lab. Evol. Dev. 8, 491-501.
7. Bely, A.E., Wray, G.A. 2004. Molecular phylogeny of naidid worms (Annelida: Clitellata) based on cytochrome oxidase I. Mol. Phylogenet. Evol. 30, 50-63.
8. Bergsten, J. 2005. A review of long-branch attraction. Cladistics 21, 163-193.
9. Bleidorn, C. 2005. Phylogenetic relationships and evolution of Orbiniidae (Annelida, Polychaeta) based on molecular data. Zool. J. Linn. Soc. 144, 59-73.
10. Bleidorn, C. 2007. The role of character loss in phylogenetic reconstruction as exemplified for the Annelida. J. Zool. Syst. Evol. Res. 45, 299-307.
11. Bleidorn, C., Vogt, L., Bartolomaeus, T. 2003a. A contribution to sedentary polychaete phylogeny using 18S rRNA sequence data. J. Zool. Syst. Evol. Res. 41, 186-195.
12. Bleidorn, C., Vogt, L., Bartolomaeus, T. 2003b. New insights into polychaete phylogeny (Annelida) inferred by 18S rDNA sequences. Mol. Phylogenet. Evol. 29, 279-288.
13. Bleidorn, C., Vogt, L., Bartolomaeus, T. 2005. Molecular phylogeny of lugworms (Annelida, Arenicolidae) inferred from three genes. Mol. Phylogenet. Evol. 34, 673-679.
14. Bleidorn, C., Kruse, I., Albrecht, S., Bartolomaeus, T. 2006a. Mitochondrial sequence data expose the putative cosmopolitan polychaete Scoloplos armiger (Annelida, Orbiniidae) as a species complex. BMC Evol. Biol. 6, 47.
15. Bleidorn, C., Podsiadlowski, L., Bartolomaeus, T. 2006b. The complete mitochondrial genome of the orbiniid polychaete Orbinia latreillii (Annelida, Orbiniidae)-a novel gene order for Annelida and implications for annelid phylogeny. Gene 370, 96-103.
16. Bleidorn, C., Eeckhaut, I., Podsiadlowski, L., Schult, N., McHugh, D., Halanych, K.M., Milinkovitch, M.C., Tiedemann, R. 2007. Mitochondrial genome and nuclear sequence data support Myzostomida as part of the annelid radiation. Mol. Biol. Evol. 24, 1690-1701.
17. Boore, J.L. 1999. Animal mitochondrial genomes. N ucleic Acids Res. 27, 1767-1780.
18. Boore, J.L. 2004. Complete mitochondrial genome sequence of Urechis caupo, a representative of the phylum Echiura. BMC Genomics 5, 67.
19. Boore, J.L., Brown, W.M. 1995. Complete sequence of the mitochondrial DNA of the annelid worm Lumbricus terrestris. Genetics 141, 305-319.
20. Boore, J.L., Brown, W.M. 2000. Mitochondrial genomes of Galathealinum, Helobdella, and Platynereis: sequence and gene arrangement comparisons indicate that Pogonophora is not a phylum and Annelida and Arthropoda are not sister taxa. Mol. Biol. Evol. 17, 87-106.
21. Boore, J.L., Staton, J.L. 2002. The mitochondrial genome of the Sipunculid Phascolopsis gouldii supports its association with Annelida rather than Mollusca. Mol. Biol. Evol. 19, 127-137.
22. Borda, E., Siddall, M.E. 2004. Arhynchobdellida (Annelida: Oligochaeta: Hirudinida): Phylogenetic relationships and evolution. Mol. Phylogenet. Evol. 30, 213-225.
23. Brown, S., Rouse, G.W., Hutchings, G.W., Colgan, D. 1999. Assesing the usefulness of histone H3, U2 snRNA and 28S rDNA in analyses of polychaete relationships. Austral. J. Zool. 47, 499-516.
24. Burnette, A.B., Struck, T.H., Halanych, K.M. 2005. Holopelagic Poeobius meseres ( " Poeobiidae ", Annelida) is derived from benthic flabelliegerid worms. Biol. Bull. 208, 213-220.
25. Colgan, D.J., Hutchings, P.A., Braune, M. 2006. A multigene framework for polychaete phylogenetic studies. Org. Div. Evol. 6, 220-235.
26. Conway Morris, S., Peel, J.S. 2008. The earliest annelids: Lower Cambrian polychaetes from the Sirius passet lagerstätte, Peary Land, North Greenland. Acta Palaeontol. Pol. 53, 137-148.
27. Dahlgren, T.G., Lundberg, J., Pleijel, F., Sundberg, P. 2000. Morphological and molecular evidence of the phylogeny of nereidiform polychaetes (Annelida). J. Zool. Syst. Evol. Res. 38, 249-253.
28. Dahlgren, T.G., Akesson, B., Schander, C., Halanych, K.M., Sundberg, P. 2001. Molecular phylogeny of the model annelid Ophryotrocha. Biol. Bull. 201, 193-203.
29. Davidson, C.R., Best, N.M., Francis, J.W., Cooper, E.L., Wood, T.C. 2008. Toll-like receptor genes (TLRs) from Capitella capitata and Helobdella robusta (Annelida). Dev. Comp. Immun. 32, 608-612.
30. DeSalle, R. 1992. The phylogenetic relationships of flies in the family Drosophilidae deduced from mtDNA sequences. Mol. Phylogenet. Evol. 1, 31-40.
31. DeSalle, R., Egan, M.G., Siddall, M.E. 2005. The unholy trinity: taxonomy, species delimitation and DNA barcoding. Phil. Trans. R. Soc. 360, 1905-1916.
32. Dunn, C.W., Hejnol, A., Matus, D.Q., Pang, K., Browne, W.E., Smith, S.A., Seaver, E., Rouse, G.W., Obst, M., Edgecombe, G.D., Sörensen, M.V., Haddock, S.H.D., Schmidt-Rhaesa, A., Okusu, A., Kristensen, R.M., Wheeler, W.C., Martindale, M.Q., Giribet, G. 2008. Broad phylogenomic sampling improves resolution of the animal tree of life. Nature 452, 745-749.
33. Eeckhaut, I., McHugh, D., Mardulyn, P., Tiedemann, R., Monteyne, D., Jangoux, M., Milinkovitch, M.C. 2000. Myzostomida: a link between trochozoans and flatworms? Proc. R. Soc. Lond. B 267, 1383-1392.
34. Eklöf, J., Pleijel, F., Sundberg, F. 2007. Phylogeny of benthic Phyllodocidae (Polychaeta) based on morphological and molecular data. Mol. Phylogenet. Evol. 45, 261-271.
35. Envall, I., Källersjö, M., Erséus, C. 2006. Molecular evidence for the non-monophyletic status of Naidinae (Annelida, Clitellata, Tubificidae). Mol. Phylogenet. Evol. 40, 570-584.
36. Erséus, C. 2005. Phylogeny of oligochaetous Clitellata. Hydrobiologia 535 /536, 357-372.
37. Erséus, C., Källersjö, M. 2004. 18S rDNA phylogeny of Clitellata (Annelida). Zool. Scr. 33, 187-196.
38. Erséus, C., Wetzel, M.J., Gustavsson, L. 2008. ICZN rules-a farewell to Tubificidae (Annelida, Clitellata). Zootaxa 1744, 66-68.
39. Gelder, S.R., Siddall, M.E. 2001. Phylogenetic assessment of the Branchiobdellidae (Annelida: Clitellata) using 18S rDNA and mitochondrial cytochrome c oxidase subunit I characters. Zool. Scr. 30, 215-222.
40. Grassle, J., Grassle, J.F. 1976. Sibling species in the marine pollution indicator Capitella (Polychaeta). Science 192, 567-569.
41. Halanych, K.M. 2004. The new view of animal phylogeny. Ann. Rev. Ecol. Syst. 35, 229-256.
42. Halanych, K.M. 2005. Molecular phylogeny of siboglinid annelids (a.k.a. pogonophorans): a review. Hydrobiologia 535 /536, 27-307.
43. Halanych, K.M., Feldman, R.A., Vrijenhoek, R.C. 2001. Molecular evidence that Sclerolinum brattstromi is closely related to vestimentiferans, not frenulate pogonophorans (Siboglinidae, Annelida). Biol. Bull. 201, 65-75.
44. Hall, K.A., Hutchings, P., Colgan, D. 2004. Further phylogenetic studies of the Polychaeta using 18S rDNA sequence data. J. Mar. Biolog. Assoc. U.K. 84, 949-960.
45. Hassanin, A., Léger, N., Deutsch, J. 2005. Evidence for multiple reversals of asymmetric mutational constraints during the evolution of the mitochondrial genome of Metazoa, and consequences for phylogenetic inferences. Syst. Biol. 54, 277-298.
46. Hausdorf, B., Helmkampf, M., Meyer, A., Witek, A., Herlyn, H., Bruchhaus, I., Hankeln, T., Struck, T.H., Lieb, B. 2007. Spiralian phylogenomics supports the resurrection of Bryozoa comprising Ectoprocta and Entoprocta. Mol. Biol. E vol. 24, 2723-2729.
47. Hermans, C.O. 1969. The systematic position of the Archiannelida. Syst. Zool. 18, 85-102.
48. Huang, D.Y., Chen, J.Y., Vannier, J., Saiz Salinas, J.I. 2004. Early Cambrian sipunculan worms from southwest China. Proc. R. Soc. Lond. B 271, 1671-1676.
49. Irvine, S.Q., Martindale, M.Q. 2000. Expression patterns of anterior hox genes in the polychaete Chaetopterus: correlation with morphological boundaries. Dev. Biol. 217, 333-351.
50. Jamieson, B.G.M., Tillier, S., Tillier, A., Justine, J.L., Ling, E., James, S., McDonald, K., Hugall, A.F. 2002. Phylogeny of the Megascolecidae and Crassiclitellata (Annelida, Oligochaeta):combined versus partitioned analysis using nuclear (28S) and mitochondrial (12S, 16S) rDNA. Zoosystema 24, 707-734.
51. Jennings, R.M., Halanych, K.M. 2005. Mitochondrial genomes of Clymenella torquata (Maldanidae) and Riftia pachyptila (Siboglinidae). Evidence for conserved gene order in Annelida. Mol. Biol. Evol. 22, 210-222.
52. Joerdens, J., Struck, T., Purschke, G. 2004. Phylogenetic inference regarding Parergodrilidae and Hrabeiella periglandulata ( " Polychaeta ", Annelida) based on 18S rDNA, 28S rDNA and COI sequences. J. Zool. Syst. Evol. Res. 42, 270-289.
53. Kiontke, K., Gavin, N.P., Raynes, Y., Roehrig, C., Piano, F., Fitch, D.H.A. 2004. Caenorhabditis phylogeny predicts convergence of hermaphroditism and extensive intron loss. Proc. Natl. Acad. Sci. U.S.A. 101, 9003-9008.
54. Kojima, S. 1998. Paraphyletic status of Polychaeta suggested by phylogenetic analysis based on the amino acid sequences of elongation factor-1alpha. Mol. Phylogenet. Evol. 9, 255-261.
55. Kojima, S., Hashimoto, T., Hasegawa, M., Murata, S., Ohta, S., Seki, H., Okada, N. 1993. Close phylogenetic relationship between Vestimentifera (Tube worms) and Annelida revealed by the amino acid sequence of elongation factor-1alpha. J. Mol. Evol. 37, 66-70.
56. Kupriyanova, E.K., Rouse, G.W. 2008. Yet another example of paraphyly in Annelida: molecular evidence that Sabellidae contains Serpulidae (2008). Mol. Phylogenet. Evol. 46, 1174-1181.
57. Kupriyanova, E.K., Madonald, T.A., Rouse, G.W. 2006. Phylogenetic relationships within Serpulidae (Sabellida, Annelida) inferred from molecular and morphological data. Zool. Scr. 35, 421-39.
58. Lanterbecq, D., Rouse, G.W., Milikovitch, M.C., Eeckhaut, I. 2006. Molecular phylogenetic analyses indicate multiple independent emergences of parasitism in Myzostomida (Protostomia). Syst. Biol. 55, 208-227.
59. Lewis, P.O. 2001. A likelihood approach to estimating phylogeny from discrete morphological character data. Syst. Biol. 50, 913-925.
60. Littlewood, D.T., Olson, P.D., Telford, M.J., Herniou, E.A., Riutort, M. 2001. Elongation factor 1-alpha sequences alone do not assist in resolving the position of the Acoela within the Metazoa. Mol. Biol. Evol. 18, 437-442.
61. McHugh, D. 1997. Molecular evidence that echiurans and pogonophorans are derived annelids. Proc. Natl. Acad. Sci. U.S.A. 94, 8006-8009.
62. McHugh, D. 2000. Molecular phylogeny of the Annelida. Can. J. Zool. 78, 1873-1884.
63. McHugh, D. 2005. Molecular systematics of polychaetes (Annelida). Hydrobiologia 535 /536, 309-318.
64. Martin, D., Gil, J., Carreras-Carbonell, J., Bhaud, M. 2008. Description of a new species of Mesochaetopterus (Annelida, Polychaeta, Chaetopteridae), with redescription of Mesochaetopterus xerecus and an approach to the phylogeny of the family. Zool. J. Linn. Soc. 152, 201-225.
65. Martin, P. 2001. On the origin of the Hirudinea and the demise of the Oligochaeta. Proc. R. Soc. Lond. B 268, 1089-1098.
66. Martin, P., Kaygorodova, I., Sherbakov, D.Y., Verheyen, E. 2000. Rapidly evolving lineages impede the resolution of phylogenetic relationships among Clitellata (Annelida). Mol. Phylogenet. Evol. 15, 355-368.
67. Maxmen, A.B., King, B.F., Cutler, E.B., Giribet, G. 2003. Evolutionary relationships within the protostome phylum Sipuncula: a molecular analysis of ribosomal genes and histone H3 sequence data. Mol. Phylogenet. Evol. 27, 489-503.
68. Nygren, A., Sundberg, P. 2003. Phylogeny and evolution of reproductive modes in Autolytinae (Syllidae, Annelida). Mol. Phylogenet. Evol. 29, 235-249.
69. Nylander, J.A.A., Erséus, C., Källersjö, M. 1999. A test of monophyly of the gutless Phallodrilinae (Oligochaeta, Tubificidae) and the use of a 573-bp region of the mitochondrial cytochrome oxidase I gene in analysis of annelid phylogeny. Zool. Scr. 28, 305-313.
70. Nylander, J.A.A., Ronquist, F.R., Huelsenbeck, J.P., Nieves-Aldrey, J. 2004. Bayesian phylogenetic analysis of combined data. Syst. Biol. 53, 47-67.
71. Oceguera-Figueroa, A., Léon-R è gagnon, V., Siddall, M.E. 2005. Phylogeny and revision of Erpobdelliformes (Annelida, Arhynchobdellida) from Mexico based on nuclear and mitochondrial gene sequence. Rev. Mex. Biodiversidad 76, 191-198.
72. Osborn, K.J., Rouse, G.W., Goffredi, S.K., Robison, B.H. 2007. Description and relationships of Chaetopterus pugaporcinus, an unusual pelagic polychaete (Annelida, Chaetopteridae). Biol. Bull. 212, 40-54.
73. Passamaneck, Y., Halanych, K.M. 2006. Lophotrochozoan phylogeny assessed with LSU and SSU data: evidence of lophophorate polyphyly. Mol. Phylogenet. Evol. 40, 20-28.
74. Persson, J., Pleijel, F. 2005. On the phylogenetic relationships of Axiokebuita, Travisia and Scalibregmatidae. Zootaxa 998, 1-14.
75. Petersen, M.E. 1984. Chaetopterus variopedatus (Renier) (Annelida: Polychaeta: Chaetopteridae): a species complex. What species are being used at MBL? Biol. Bull. 167, 513.
76. Phillips, A.J., Siddall, M.E. 2005. Phylogeny of the New World medicinal leech family Macrobdellidae (Oligochaeta: Hirudinida: Arhynchobdellida). Zool. Scr. 34, 559-564.
77. Pop, A.A., Cech, G., Wink, M., Csuzdi, C., Pop, V.V. 2007. Application of 16S, 16S rDNA and COI sequences in the molecular systematics of the earthworm family Lumbricidae (Annelida, Oligochaeta). Eur. J. Soil Biol. 43, Supp. 1, S 43-S 52.
78. Raible, F., Arendt, D. 2004. Metazoan evolution: some animals are more equal than others. Curr. Biol. 14, R 106-R 108.
79. Raible, F., Tessmar-Raible, K., Osoegawa, K., Winker, P., Jubin, C., Balavoine, G., Ferrier, D., Benes, V., de Jong, P., Weissenbach, J., Bork, P., Arendt, D. 2005. Vertebrate-type intron-rich genes in the marine annelid Platynereis dumerilii. Science 310, 1325-1326.
80. Rokas, A., Krüger, D., Carroll, S.B. 2005. Animal evolution and the molecular signature of radiations compressed in time. Science 310, 1933-1938.
81. Rota, E., Martin, P., Erséus, C. 2001. Soil-dwelling polychaetes: enigmatic as ever? Some hints on their phylogenetic relationship as suggested by a maximum parsimony analysis of 18S rRNA gene sequences. Contrib. Zool. 70, 127-138.
82. Rouse, G.W., Fauchald, K. 1997. Cladistics and polychaetes. Zool. Scr. 26, 139-204.
83. Rouse, G.W., Pleijel, F. 2001. Polychaetes. Oxford: University Press.
84. Rouse, G.W., Pleijel, F. 2003. Problems in polychaete phylogeny. Hydrobiologia 496, 175-189.
85. Rousset, V., Rouse, G.W., Feral, J.P., Desbruyeres, D., Pleijel, F. 2003. Molecular and morphological evidence of Alvinellidae relationships (Terebelliformia, Polychaeta, Annelida). Zool. Scr. 32, 185-197.
86. Rousset, V., Rouse, G.W., Siddall, M.E., Tillier, A., Pleijel, F. 2004. The phylogenetic position of Siboglinidae (Annelida) inferred from 18S rRNA, 28S rRNA and morphological data. Cladistics 20, 518-533.
87. Rousset, V., Pleijel, F., Rouse, G.W., Erséus, C., Siddall, M.E. 2007. A molecular phylogeny of annelids. Cladistics 23, 41-63.
88. Ruta, C., Nygren, A., Rousset, V., Sundberg, P., Tillier, A., Wiklund, H., Pleijel, F. 2007. Phylogeny of Hesionidae (Aciculata, Polychaeta) assessed from morphology, 18S rDNA, 28S rDNA, 16S rDNA and COI. Zool. Scr. 36, 99-107.
89. Schatz, M., Orlova, E.V., Dube, P., Jager, J., van Heel, M. 1995. Structure of Lumbricus terrestris haemoglobin at 30 A resolution determined using angular reconstitution. J. Struct. Biol. 114, 28-40.
90. Schulze, A. 2006. Phylogeny and genetic diversity of Palolo worms ( Palola, Eunicidae) from the tropical North Pacific and the Caribbean. Biol. Bull. 210, 25-37.
91. Schulze, A., Cutler, E.B., Giribet, G. 2005. Reconstructing the phylogeny of the Sipuncula. Hydrobiologia 535 /536, 277-296.
92. Schulze, A., Cutler, E.B., Giribet, G. 2007. Phylogeny of sipunculan worms: a combined analysis of four gene regions and morphology. Mol. Phylogenet. E vol. 42, 171-192.
93. Seaver, E.C., Kaneshige, L.M. 2006. Expression of " segmentation " genes during larval and juvenile development in the polychaetes Capitella sp. I and H. elegans. Dev. Biol. 289, 179-194.
94. Seaver, E.C., Shankland, M. 2000. Leech segmental repeats develop normally in the absence of signals from either anterior or posterior segments. Dev. Biol. 224, 339-353.
95. Seaver, E.C., Thamm, K., Hill, S.D. 2005. Growth patterns during segmentation in the two polychaete annelids, Capitella sp. I and Hydroides elegans: comparisons at distinct life history stages. Evol. Dev. 7, 312-326.
96. Sella, G.M., Ramella, L.M. 1999. Sexual conflict and mating systems in the dorvilleid genus Ophryotrocha and the dinophilid genus Dinophilus. Hydrobiologia 402, 203-213.
97. Shedlock, A.M., Okada, N. 2000. SINE insertions: powerful tools for molecular systematics. Bioessays 22, 148-160.
98. Siddall, M.E., Borda, E. 2003. Phylogeny and revision of the leech genus Helobdella (Glossiphonidae) based on mitochondrial gene sequences and morphological data and a special consideration of the triserialis complex. Zool. Scr. 32, 23-33.
99. Siddall, M.E., Apakupakul, K., Burreson, E., Coates, K.A., Erséus, C., Gelder, S.R., Källersjö, M., Trapido-Rosenthal, H. 2001. Validating Livanow: molecular data agree that leeches, branchiobdellidans, and Acanthobdella peledina form a monophyletic group of oligochaetes. Mol. Phylogenet. Evol. 21, 346-351.
100. Siddall, M.E., Budinoff, R.B., Borda, E. 2005. Phylogenetic evaluation of systematics and biogeography of the leech family Glossiphoniidae. Inv. Syst. 19, 105-112.
101. Siddall, M.E., Trontelj, P., Utevsky, S.Y., Nkamany, M., Macdonald, K.S., III 2007. Diverse molecular data demonstrate that commercially available medicinal leeches are not Hirudo medicinalis. Proc. R. Soc. B 274, 1481-1487.
102. Staton, J.L. 2003. Phylogenetic analysis of the mitochondrial cytochrome c oxidase subunit 1 gene from 13 sipunculan genera: intra-and interphylum relationships. Inv. Biol. 122, 252-264.
103. Struck, T.H., Purschke, G. 2005. The sister group relationship of Aelosomatidae and Potamodrilidae (Annelida: " Polychaeta " )-a molecular phylogenetic approach based on 18S rDNA and cytochrome oxidase I. Zool. Anz. 243, 281-293.
104. Struck, T.H., Hessling, R., Purschke, G. 2002a. The phylogenetic position of the Aelosomatidae and Paergodrilidae, two enigmatic oligochaete-like taxa of the " Polychaeta ", based on molecular data from 18S rDNA sequences. J. Zool. Syst. Evol. Res. 40, 155-163.
105. Struck, T.H., Westheide, W., Purschke, G. 2002b. Progenesis in Eunicida ( " Polychaeta ", Annelida)-separate evolutionary events? Evidence from molecular data. Mol. Phylogenet. Evol. 25, 190-199.
106. Struck, T.H., Halanych, K.M., Purschke, G. 2005a. Dinophilidae (Annelida) is most likely not a progenetic Eunicida: evidence from 18S and 28S rDNA. Mol. Phylogenet. Evol. 37, 619-623.
107. Struck, T.H., Purschke, G., Halanych, K.M. 2005b. A scaleless scale worm: Molecular evidence for the phylogenetic placement of Pisione remota (Pisionidae, Annelida). Mar. Biol. Res. 1, 243-253.
108. Struck, T.H., Purschke, G., Halanych, K.M. 2006. Phylogeny of Eunicida (Annelida) and exploring data congruence using a partition addition bootstrap alteration (PABA) approach. Syst. Biol. 55, 1-20.
109. Struck, T.H., Schult, N., Kusen, T., Hickman, E., Bleidorn, C., McHugh, D., Halanych, K.M. 2007. Annelid phylogeny and the status of Sipuncula and Echiura. BMC Evol. Biol. 7, 57.
110. Trontelj, P., Utevsky, S.Y. 2005. Celebrity with a neglected taxonomy: molecular systematics of the medicinal leech (genus Hirudo ). Mol. Phylogenet. Evol. 34, 616-624.
111. Trontelj, P., Sket, B., Steinbrück, G. 1999. Molecular phylogeny of leeches: congruence of nuclear and mitochondrial rDNA data sets and the origin of bloodsucking. J. Zool. Syst. Evol. Res. 37, 141-147.
112. Utevsky, S.Y., Utevsky, A.Y., Schiaparelli, S., Trontelj, P. 2007. Molecular phylogeny of pontobdelline leeches and their place in the decent of fish leeches (Hirudinea, Piscicolidae). Zool. Scr. 36, 271-280.
113. Vallés, Y., Halanych, K.M., Boore, J.L. 2008. Group II introns break new boundaries: presence in a Bilaterian ' s genome. PLoS ONE 3, e 1488.
114. Wiklund, H., Nygren, A., Pleijel, F., Sundberg, P. 2005. Phylogeny of Aphroditiformia (Polychaeta) based on molecular and morphological data. Mol. Phylogenet. Evol. 37, 459-502.
115. Wolstenholme, D.R. 1992. Animal mitochondrial DNA: structure and evolution. Int. Rev. Cytol. 141, 173-216.
116. Worsaae, K. 2005. Phylogeny of Nerillidae (Polychaeta, Annelida) as inferred from combined 18S rDNA and morphological data. Cladistics 21, 143-162.
117. Worsaae, K., Nygren, A., Rouse, G.W., Giribet, G., Persson, J., Sundberg, P., Pleijel, F. 2005. Phylogenetic position of Nerillidae and Aberranta (Polychaeta, Annelida), analysed by direct optimization of combined molecular and morphological data. Zool. Scr. 34, 313-328.
118. Wysocka-Diller, J., Aisemberg, G.O., Macagno, E.R. 1995. A novel homeobox cluster expressed in repeated structures in the midgut. Dev. Biol. 171, 439-447.
119. Zhong, M., Struck, T.H., Halanych, K.M. 2008. Three mitochondrial genomes of Terebelliformia (Annelida) worms and duplication of the methionine tRNA. Gene. 416, 11-21.