ARCTOCYONIDAE, Murray, 1866
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https://doi.org/ 10.1206/3797.1 |
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https://treatment.plazi.org/id/587387C9-142F-517A-FDAA-1E20FC1AFA14 |
treatment provided by |
Carolina |
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ARCTOCYONIDAE |
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REFERRED SPECIMEN: RAM 9660, a p2, p3, P2, or P3 from RAM locality V200613, member 4b ( fig. 6H View FIGURE 6 ).
DESCRIPTION: RAM 9660 is a large premolar with slightly crenulated enamel that is 5.75 mm in length and 4.30 mm in width if the long axis of the tooth is its anterior-posterior orientation. RAM 9660 has a large and swollen anterior cusp that is connected by a pair of posteriorly directed cristae that terminate at small cusps on the tooth margin ( fig. 6H View FIGURE 6 ). These low cusps are connected by a weakly developed cingulum or cingulid that forms the posterior (?) edge of the tooth.
DISCUSSION: RAM 9660 probably indicates the presence of an additional eutherian from the Goler Formation. RAM 9660 may be an arctocyonid, but this is uncertain, as is which tooth site RAM 9660 represents. Another possibility is that RAM 9660 represents an upper premolar of Goleroconus .
Order CONDYLARTHA Cope, 1881a
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
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ARCTOCYONIDAE
Lofgren, Donald, Mckenna, Malcolm, Honey, James, Nydam, Randall, Wheaton, Christine, Yokote, Bryan, Henn, Lexington, Hanlon, Whitney, Manning, Stephen & Mcgee, Carter 2014 |
HYOPSONDONTIDAE
Trouessart 1897 |
CONDYLARTHA
Cope 1881 |