Xenodiphyodon

Xenodiphyodon; Temporal range: Late Triassic PreꞒ Ꞓ O S D C P T J K Pg N
	Holotype jaw
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Clade:	† Allokotosauria
Order:	† Trilophosauria
Family:	† Trilophosauridae (?)
Genus:	Xenodiphyodon
Species:	X. petraios
Binomial name
	Xenodiphyodon petraios; Sues & Olsen, 1993

Last updated February 09, 2026

Xenodiphyodon is an extinct genus of reptile with some similarities to trilophosaurids,^[1] known from the Late Triassic Turkey Branch Formation of Virginia, United States. The genus contains a single species, Xenodiphyodon petraios, was described by Hans-Dieter Sues and Paul E. Olsen in 1993.^[2]

References

↑ Sues, Hans-Dieter; Schoch, Rainer R. (2023). "A new Middle Triassic (Ladinian) trilophosaurid stem-archosaur from Germany increases diversity and temporal range of this clade". Royal Society Open Science. 10 (3) 230083. Bibcode:2023RSOS...1030083S. doi: 10.1098/rsos.230083 . ISSN 2054-5703. PMC 10031418 . PMID 36968237.
↑ Sues, Hans-Dieter; Olsen, Paul E. (23 September 1993). "A new procolophonid and a new tetrapod of uncertain, possibly procolophonian affinities from the Upper Triassic of Virginia". Journal of Vertebrate Paleontology . 13 (3): 282–286. Bibcode:1993JVPal..13..282S. doi:10.1080/02724634.1993.10011510. ISSN 0272-4634.

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[Sues2023-1] Sues, Hans-Dieter; Schoch, Rainer R. (2023). "A new Middle Triassic (Ladinian) trilophosaurid stem-archosaur from Germany increases diversity and temporal range of this clade". Royal Society Open Science. 10 (3) 230083. Bibcode:2023RSOS...1030083S. doi: 10.1098/rsos.230083 . ISSN 2054-5703. PMC 10031418 . PMID 36968237.

[2] Sues, Hans-Dieter; Olsen, Paul E. (23 September 1993). "A new procolophonid and a new tetrapod of uncertain, possibly procolophonian affinities from the Upper Triassic of Virginia". Journal of Vertebrate Paleontology . 13 (3): 282–286. Bibcode:1993JVPal..13..282S. doi:10.1080/02724634.1993.10011510. ISSN 0272-4634.

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