Английская Википедия:Baptanodon
Шаблон:Short description Шаблон:Automatic taxobox
Baptanodon is an ichthyosaur of the Late Jurassic period (160-156 million years ago), named for its supposed lack of teeth (although teeth of this genus have since been discovered).[1] It had a graceful Шаблон:Convert long dolphin-shaped body, and its jaws were well adapted for catching squid.[2] Major fossil finds of this genus have been recorded in North America. The type species, Sauranodon natans, was originally included under Sauranodon in 1879,[3] but this name was preoccupied.
Discovery and species
Baptanodon is a replacement name for Sauranodon applied to ichthyosaur material in 1879[3] and was moved to its own genus Baptanodon in 1880 when Sauranodon was found to be preoccupied.[4] Baptanodon was considered a junior synonym of Ophthalmosaurus by Maisch & Matzke (2000).[5] However, cladistic analyses published in the 2010s indicate that Baptanodon is not congeneric with Ophthalmosaurus icenicus.[6][7][8]
Classification
The cladogram below follows Fischer et al. 2012.[7]
Palaeobiology
Fossils of Baptanodon have been found in the Oxfordian-age Sundance Formation of Wyoming, which also has yielded fossils of the cryptoclidids Tatenectes and Pantosaurus, and the pliosaurid Megalneusaurus.[4][9]
See also
References
Шаблон:Ichthyosauria Шаблон:Taxonbar
- ↑ Шаблон:Cite journal
- ↑ Шаблон:Cite journal
- ↑ 3,0 3,1 O. C. Marsh. 1879. A new order of extinct reptiles (Sauranodonta), from the Jurassic Formation of the Rocky Mountains. The American Journal of Science and Arts, series 3
- ↑ 4,0 4,1 Marsh, O. C., 1880, Note on Sauranodon: American Journal of Science, 3rd series, v. 19, n. 4, p. 491.
- ↑ Maisch MW, Matzke AT. 2000. The Ichthyosauria. Stuttgarter Beiträge zur Naturkunde, Serie B (Geologie und Paläontologie) 298: 1-159.
- ↑ Шаблон:Cite journal
- ↑ 7,0 7,1 Шаблон:Cite journal
- ↑ Ilaria Paparella; Erin E. Maxwell; Angelo Cipriani; Scilla Roncacè; Michael W. Caldwell (2017). "The first ophthalmosaurid ichthyosaur from the Upper Jurassic of the Umbrian–Marchean Apennines (Marche, Central Italy)". Geological Magazine. 154 (4): 837–858. doi:10.1017/S0016756816000455.
- ↑ Marsh, O. C., 1895, The Reptilia of the Baptanodon Beds: American Journal of Science, 3rd series, v. 34., n. 299, p. 405-406.
- Английская Википедия
- Ophthalmosaurinae
- Late Jurassic ichthyosaurs
- Jurassic reptiles of North America
- Late Jurassic extinctions
- Fossil taxa described in 1880
- Ichthyosauromorph genera
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