Circumocular suture and visual surface of 'Cedaria' woosteri (Trilobita, Late Cambrian) from the Eau Claire Formation, Wisconsin

Journal of Paleontology

Volumn 71, Issue 1, 1997, Pages 103-107

  Hughes, Nigel C ^a   Gunderson, Gerald O ^b   Weedon, Michael J ^c  

^a Cincinnati Museum Center   (United States)

^b Natural History Museum ^*  (United States)

^c DEPARTMENT OF LIFE SCIENCES   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

CAMBRIAN; CEDARIA WOOSTERI; HOLOCHROAL EYE; LIBRISTOMATE; OCULAR SUTURE; TRILOBITE;

USA, WISCONSIN;

EID: 0030618614     PISSN: 00223360     EISSN: None     Source Type: Journal    
DOI: 10.1017/S0022336000038993     Document Type: Article

References (18)

1. CLARKSON, E. N. K. 1966. Schizochroal eyes and vision in some phacopid trilobites. Palaeontology, 9:464-487.
2. _. 1973a. Morphology and evolution of the eye in Upper Cambrian Olenidae (Trilobita). Palaeontology, 16:735-763.
3. _. 1973b. The eyes of Asaphus raniceps Dalman (Trilobita). Palaeontology, 16:425-444.
4. _. 1975. The evolution of the eye in trilobites. Fossils and Strata, 4:7-31.
5. _. 1979. The visual system in trilobites. Palaeontology, 22:1-22.
6. DEER, W. A., R. A. HOWIE, AND J. ZUSSMAN. 1966. An introduction to rock-forming minerals. Longman Press, London. 528 p.
7. DROSER, M. L., AND D. J. BOTTJER. 1986. A semiquantitative field classification of ichnofabric. Journal of Sedimentary Petrology, 56:558-559.
8. HUGHES, N. C. 1994. Ontogeny, intraspecific variation, and systematics of the Late Cambrian trilobite Dikelocephalus. Smithsonian Contributions to Paleobiology, 79:1-89.
9. JABLONSKI, D., AND D. J. BOTTJER. 1990. The ecology of evolutionary innovation: The fossil record, p. 253-288, In M. H. Nitecki (ed.), Evolutionary Innovations. University of Chicago Press, Chicago.
10. JELL, P. A. 1975. The abathochroal eye of Pagetia, a new type of trilobite eye. Fossils and Strata, 4:33-43.
11. LUDVIGSEN, R., AND S. R. WESTROP. 1985. Three new Upper Cambrian stages for North America. Geology, 13:139-143.
12. ÖPIK, A. A. 1967. The Mindyallan fauna of north-western Queensland. Bureau of Mineral Resources, Geology and Geophysics Bulletin, 74 (1), 404 p.
13. PALMER, A. R. 1962. Glyptagnostus and associated trilobites in the United States. U. S. Geological Survey Professional Papers, 374-F:1-49.
14. PRATT, B. R. 1992. Trilobites of the Marjuman and Steptoean stages (Upper Cambrian), Rabbitkettle Formation, southern Mackenzie Mountains, northwest Canada. Palaeontographica Canadiana, 9:1-179.
15. RAASCH, G. O. 1939. Cambrian Merostomata. Geological Society of America Special Papers, 19:1-146.
16. RASETTI, F. 1948. Cephalic sutures in Loganopeltoides and the origin of "hypoparian" trilobites. Journal of Paleontology, 22:25-29.
17. ZHANG, X.-G., AND E. N. K. CLARKSON. 1990. The eyes of Lower Cambrian eodiscid trilobites. Palaeontology, 33:911-932.
18. _, AND _. 1993. Ontogeny of the eodiscid trilobite Shizhudiscus longquanensis from the Lower Cambrian of China. Palaeontology, 36:785-806.