. Breviora. â W M"S; COMP. zoo,. MAR 1 8 S85 BREVIty. usenoi of Comparative Zoology US ISSN 0006-9698 Cambridge, Mass. 29 April 1983 Number 474 RUTHIROMIA ELCOBR1ENSIS, A NEW PELYCOSALR FROM EL COBRE CANYON, NEW MEXICO David A. Eberth1 and Donald Brinkman2 Abstract. Ruthiromia elcobriensis, a new genus and species of pelycosaur from the Permo-Carboniferous redbeds of El Cobre Canyon, New Mexico, is based upon an articulated portion of the vertebral column, partial appendicular skeleton, and associated vertebral and cranial fragments. Ruthiromia is tentatively included within the Varanopse
. Breviora. â W M"S; COMP. zoo,. MAR 1 8 S85 BREVIty. usenoi of Comparative Zoology US ISSN 0006-9698 Cambridge, Mass. 29 April 1983 Number 474 RUTHIROMIA ELCOBR1ENSIS, A NEW PELYCOSALR FROM EL COBRE CANYON, NEW MEXICO David A. Eberth1 and Donald Brinkman2 Abstract. Ruthiromia elcobriensis, a new genus and species of pelycosaur from the Permo-Carboniferous redbeds of El Cobre Canyon, New Mexico, is based upon an articulated portion of the vertebral column, partial appendicular skeleton, and associated vertebral and cranial fragments. Ruthiromia is tentatively included within the Varanopseidae on the basis of postcranial characters. It is distinguished from all other varanopseids by its larger size, pinched-in lumbar centra, and massively developed delto-pectoral crest. INTRODUCTION The Permo-Carboniferous, Cutler formation redbeds of El Cobre Canyon, New Mexico, have yielded a unique assemblage of fossil tetrapods. El Cobre Canyon, near Abiquiu, New Mexico, is a large box canyon that has been sporadically prospected by collectors and paleontologists since the late 1870's. The fossil fauna and flora, known from both the canyon walls and floor, was most recently reviewed by Fracasso (1980). In 1965 A. Lewis and S. Olsen collected the larger part of the postcranial skeleton and disarticulated cranial fragments of a 'Department of Geology. University of Toronto, Toronto, Ontario. Canada, M5T IR7. "Museum of Comparative Zoology. Harvard University. Cambridge. Massachusetts 02138. Present Address: Tyrrell Museum of Paleontology. Box 7500. Drumheller. Alberta. Canada. TOJ Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Harvard University. Museum of Comparative Zoology. Cambridge, Mass. , Museum of Comparative Zoology, Harvard University
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