Adelobasileus

Adelobasileus; Temporal range: Late Triassic, 225 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Clade:	Synapsida
Clade:	Therapsida
Clade:	Cynodontia
Genus:	†Adelobasileus; Lucas & Hunt, 1990
Species:	†A. cromptoni
Binomial name
	Adelobasileus cromptoni; Lucas & Hunt, 1990

Adelobasileus is an extinct proto-mammal from the Upper Triassic, about 225 million years ago. There is only a partial skull from strata in western Texas.

Skull features, like the housing of the cochlea, suggest that Adelobasileus is a transitional form in the evolution from cynodonts to end-Triassic mammals. For this reason, it may be close to modern mammals' common ancestor.^[1]^[2] Their sleek body type suggests they moved very fast.

References

↑ Lucas S.G. & Hunt A.P. 1990. The oldest mammal. New Mexico Journal of Science 30 (1): 41–49.
↑ Lucas S.G. & Luo Z. 1993. Adelobasileus from the upper Triassic of West Texas: the oldest mammal. J. Vert. Paleont 13 (3): 309–334.

Other websites

Adelobasileus from Palaeos Archived 2013-06-17 at the Wayback Machine

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[1] Lucas S.G. & Hunt A.P. 1990. The oldest mammal. New Mexico Journal of Science 30 (1): 41–49.

[2] Lucas S.G. & Luo Z. 1993. Adelobasileus from the upper Triassic of West Texas: the oldest mammal. J. Vert. Paleont 13 (3): 309–334.

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