Dinnebitodon amarali

Name

Dinnebitodon amarali

Authority

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.

Size

Skull length: ? 15 cm, Length: [not given]

Remains

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.

Classification

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.