Hostname: page-component-cd9895bd7-hc48f Total loading time: 0 Render date: 2024-12-25T18:51:21.439Z Has data issue: false hasContentIssue false
  • English
  • Français

New thalattosaurs (Reptilia: Diapsida) from the Triassic Sulphur Mountain Formation of Wapiti Lake, British Columbia

Published online by Cambridge University Press:  20 May 2016

Elizabeth L. Nicholls  and
Donald Brinkman
Elizabeth L. Nicholls
Affiliation:
Royal Tyrrell Museum of Paleontology, P.O. Box 7500, Drumheller, Alberta T0J 0Y0, Canada
Donald Brinkman
Affiliation:
Royal Tyrrell Museum of Paleontology, P.O. Box 7500, Drumheller, Alberta T0J 0Y0, Canada
Get access Rights & Permissions [Opens in a new window]

Abstract

A new assemblage of thalattosaurs is described from the Lower to Middle Triassic Sulphur Mountain Formation of eastern British Columbia. The following new species are described: Thalattosaurus borealis n. sp.; Paralonectes merriami n. gen. and sp.; and Agkistrognathus campbelli n. gen. and sp. In addition, specifically indeterminate material is described. This assemblage extends the geographic range of the Thalattosauria to Canada and demonstrates that thalattosaurs were more taxonomically diverse and widely distributed than previously thought.

Type
Research Article
Information
Journal of Paleontology , Volume 67 , Issue 2 , March 1993 , pp. 263 - 278
Copyright
Copyright © The Paleontological Society 

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

Benton, M. J. 1985. Classification and phylogeny of the diapsid reptiles. Zoological Journal of the Linnean Society of London, 84:97–164.Google Scholar
Brinkman, D. B. 1988. A weigeltisaurid reptile from the Lower Triassic of British Columbia. Palaeontology, 31:951–955.Google Scholar
Callaway, J. M., and Brinkman, D. B. 1989. Ichthyosaurs (Reptilia, Ichthyosauria) from the Lower and Middle Triassic Sulphur Mountain Formation, Wapiti Lake area, British Columbia, Canada. Canadian Journal of Earth Sciences, 26:1491–1500.Google Scholar
Chatterjee, S. 1974. A rhynchosaur from the Upper Triassic Maleri Formation of India. Royal Society of London, Philosophical Transactions, Series B, 267:209–261.Google Scholar
Evans, S. E. 1984. The classification of the Lepidosauria. Zoological Journal of the Linnean Society of London, 82:87–100.Google Scholar
Evans, S. E. 1988. The early history and relationships of the Diapsida, p. 221–260. In Benton, M. J. (ed.), The Phylogeny and Classification of the Tetrapods. Systematics Association, Special Volume 35A.Google Scholar
Gibson, D. W. 1972. Triassic stratigraphy of the Pine Pass–Smoky River area, Rocky Mountain Foothills and Front Ranges of British Columbia and Alberta. Geological Survey of Canada, Paper 71-31, 108 p.Google Scholar
Gibson, D. W. 1975. Triassic rocks of the Rocky Mountain Foothills and Front Ranges of north-eastern British Columbia and west-central Alberta. Geological Survey of Canada, Bulletin 247, 61 p.CrossRefGoogle Scholar
Harrison, C. J. O., and Walker, C. A. 1976. A review of the bony toothed birds (Odontopterygiiformes): with descriptions of some new species. Tertiary Research, Special Paper 2, 72 p.Google Scholar
Kuhn, E. 1952. Die Triasfauna der Tessiner Kalkalpen. XV11. Askeptosaurus italicus Nopsca. Schweizerische Palaontologische Abhanglungen, 69:1–73.Google Scholar
Kuhn-Schnyder, E. 1988. Bemerkungen zur Ordnung der Thalattosauria (Reptilia). Eclogae geologicae Helvetiae, 81:879–886.Google Scholar
Merriam, J. C. 1904. A new marine reptile from the Triassic of California. University of California, Department of Geology, Bulletin, 3:419–421.Google Scholar
Merriam, J. C. 1905. The Thalattosauria. A group of marine reptiles from the Triassic of California. California Academy of Sciences, Memoir 5, 52 p.Google Scholar
Merriam, J. C. 1908. Notes on the osteology of the thalattosaurian genus Nectosaurus . University of California, Department of Geology, Bulletin, 5:217–223.Google Scholar
Neuman, A. 1986. Fossil fishes of the families Perleididae and Parasemionotidae from the Lower Triassic Sulphur Mountain Formation of western Canada. Unpubl. , University of Alberta, Edmonton, Alberta, 142 p.Google Scholar
Osborn, H. F. 1903. On the primary division of the Reptilia into two subclasses, Synapsida and Diapsida. Science, New Series, 17:275–276.Google Scholar
Peyer, B. 1936a. Die Triasfauna der Tessiner Kalkalpen. X. Clarazia schinzi nov. gen. nov. spec. Schweizerischen Palaeontologischen Gesellschaft, Abhandlungen, 57:1–61.Google Scholar
Peyer, B. 1936b. Die Triasfauna der Tessiner Kalkalpen. XI. Hescherleria rubeli nov. gen. nov. spec. Schweizerischen Palaeontologischen Gesellschaft, Abhandlungen, 58:1–48.Google Scholar
Rieppel, O. 1987. Clarazia and Hescheleria: a reinvestigation of two problematical reptiles from the Middle Triassic of Monte San Giorgio (Switzerland). Palaeontographica Abteilung A, 195:101–129.Google Scholar
Romer, A. S. 1956. Osteology of the Reptiles. University of Chicago Press, Chicago, 772 p.Google Scholar
Schaeffer, B., and Mangus, M. 1976. An Early Triassic fish assemblage from British Columbia. American Museum of Natural History, Bulletin, 156:515–564.Google Scholar
Weems, R. E. 1980. Syllomus aegyptiacus; a Miocene pseudodont sea turtle. Copeia, 4:621–625.Google Scholar