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A coyote-like wolf jaw from the Rancho La Brea Pleistocene

Stock, Chester (1938) A coyote-like wolf jaw from the Rancho La Brea Pleistocene. Bulletin of the Southern California Academy of Sciences, 37 . pp. 49-51. ISSN 0038-3872. https://resolver.caltech.edu/CaltechAUTHORS:20200402-152323320

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Abstract

Examination of several hundred lower jaws in the collections of the Los Angeles Museum representing principally the coyote but including also timber wolf material from the Pleistocene of Rancho La Brea brings to light a single specimen of unique character from excavation No. 61. This mandible No. V 5203, consists of the two rami with the dentition including P²- M¹ inclusive. P¹ is absent. The jaw, Plate 10, figs. 1 and 2, is characterized by a shortness and massiveness in which it exhibits a decided contrast to the mandible of the coyote from Rancho La Brea. Massiveness is particularly displayed by the horizontal ramus which is noticeably thicker transversely than in the coyote and is more like that in the timber wolf. This is likewise true when the specimen is compared with jaws that belong to larger individuals of the extinct coyote from the asphalt deposits. A distinctive feature of the wolf separating it from the coyote is the greater convexity of the inferior margin of the horizontal ramus. In this character No. V 5203 is more like the former than the latter.


Item Type:Article
Related URLs:
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https://www.biodiversitylibrary.org/page/34202900OrganizationArticle
Additional Information:© 1938 Southern California Academy of Sciences.
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Balch Graduate School of the Geological Sciences254
Record Number:CaltechAUTHORS:20200402-152323320
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20200402-152323320
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:102306
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:02 Apr 2020 22:51
Last Modified:02 Apr 2020 22:51

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