Tienosuchus

Tienosuchus; Temporal range: Eocene
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Sauropsida
Order:	Crocodilia
Superfamily:	Gavialoidea
Genus:	Tienosuchus; Young, 1949
Species
	T. hsiangiYoung, 1949 (type);

Last updated January 30, 2026

Tienosuchus is a dubious extinct monospecific genus of gavialoid crocodilian. It is known from a single tooth and some postcranial remains collected from Eocene deposits in Hunan, China.^[1] It is closely related to the genus Thoracosaurus , and has traditionally been placed in the subfamily Thoracosaurinae. The subfamily is now considered to be a paraphyletic assemblage of basal gavialoids, and therefore not a true clade.^[2] Because the fragmentary remains provide little diagnostic value, the genus is now considered a nomen dubium .

References

↑ Lucas, S.G. (2001). "Paleogene". Chinese Fossil Vertebrates . New York: Columbia University Press. pp. 229. ISBN 9780231084833.
↑ Brochu, C. A. (2004). "A new Late Cretaceous gavialoid crocodylian from Eastern North America and the phylogenetic relationships of Thoracosaurs" (PDF). Journal of Vertebrate Paleontology. 24 (3): 610–633. doi:10.1671/0272-4634(2004)024[0610:anlcgc]2.0.co;2. S2CID 131176447.

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[LSG01-1] Lucas, S.G. (2001). "Paleogene". Chinese Fossil Vertebrates . New York: Columbia University Press. pp. 229. ISBN 9780231084833.

[BCA04-2] Brochu, C. A. (2004). "A new Late Cretaceous gavialoid crocodylian from Eastern North America and the phylogenetic relationships of Thoracosaurs" (PDF). Journal of Vertebrate Paleontology. 24 (3): 610–633. doi:10.1671/0272-4634(2004)024[0610:anlcgc]2.0.co;2. S2CID 131176447.

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