Champsosaurus annectens Cope ED 1876, sp. nov

Main Author: Cope, E. D.
Format: info publication-taxonomictreatment Journal
Terbitan: , 1876
Subjects:
Online Access: https://zenodo.org/record/4562165
ctrlnum 4562165
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format Other:info:eu-repo/semantics/other
Other
Other:publication-taxonomictreatment
Journal:Journal
Journal
author Cope, E. D.
title Champsosaurus annectens Cope ED 1876, sp. nov
publishDate 1876
topic Biodiversity
Taxonomy
Animalia
Chordata
Sauropsida
Choristodera
Champsosauridae
Champsosaurus
Champsosaurus annectens
url https://zenodo.org/record/4562165
contents Champosaurus annectens, Cope, sp. nov. The greater number of vertebrae obtained belong to this saurian, which may therefore be looked upon as the type of the genus. The cervical which bears the hypapophysial facet presents a carina below, which is only prominent between the articular faces. One such cervical in the collection is rounded below, aud may be anterior in the series, or may belong to another species. The inferior keel is strong on the other cervicais, hut soon disappears on the anterior dorsals. The remaining centra are rounded below . The parapophyses where present are knob-like, aud the corresponding part of the transverse process is similar in the anterior dorsal vertebrae. The base of the neural arch is nearer the anterior than the posterior articular face. These faces are nearly round in the anterior caudal central, but soon become vertical ovals, with the compressed form. There is a fossa below and in front of the parapophysis, which continues to beyond the anterior dorsals. The dense layer of the surface of the centrum is smooth, except some delicate striations near the articular borders. These are most marked along the median interior face of the caudal vertebrae, which is &fllig;at, grooved, and distally acute. I cannot certainly connect the vertebrae of a series as those of a single individual. [table omitted] [table omitted] A vertebra not distinguishable from the corresponding one of this species was found near Amell's Creek, on a bank of deposit of the Fox Hills group (No. 5), with the bones of the Uronautes cetiformis, supra. l cannot account for this circumstances, as it is the most abundant fossil of the Judith River beds (No. 6).
Published as part of Cope, E. D., 1876, On some extinct reptiles and batrachia from the Judith River and Fox Hills beds of Montana, pp. 340-359 in Proceedings of the Academy of Natural Sciences of Philadelphia 28 on pages 351-352, DOI: 10.5281/zenodo.3368363
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