Tuesday, 3 December 2013

Dinnebitodon amarali

Dinnebitodon amarali
Sues, 1986
Meaning of generic name
"Dinnebito Wash (near which the specimens were found) tooth".
Meaning of specific name
Named for William W. Amaral of Harvard University, who found the holotype specimen.
Skull length: ? 15 cm, Length: [not given]
Holotype (MNA V3222): a crushed snout with upper dentition, left dentary, and associated postcranial remains, mostly still in concretions.

Referred materials: MCZ 8830 (49/78A) (a crushed snout with upper dentition and associated indeterminate fragments), MCZ 8831 (91/78A) (a skull lacking anterior end of the snout and zygomatic arches, tooth-bearing ramus of right dentary, symphyseal portions of two left dentaries, and associated fragments of bone), MCZ 8836 (68/78A) (a fragmentary left dentary, left premaxilla with I1-2, right I2, fragment of right maxilla with two teeth, anterior portion of left jugal, and numerous indeterminate fragments), MNA V3223 (30/78A) (a nearly complete but poorly preserved skull).
Age and Distribution
Horizon: Kayenta Formation. Lower Jurassic (Late Sinemurian-Early Plienbaschian).

Locality: Gold Spring, Coconino county, Arizona.
Therapsida Cynodontia Eucynodontia Cynognathia Tritylodontoidea Tritylodontidae
Further Reading
Sues, H.-D. 1986. Dinnebitodon amarali, a new Tritylodontid (Synapsida) from the Early Jurassic of Western North America: Journal of Paleontology, v. 60, n. 3, p. 758-762.

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