Peritresius

Peritresius is an extinct genus of sea turtle from the Late Cretaceous deposits in the US Eastern Seaboard.

Peritresius Temporal range: Campanian–Maastrichtian PreꞒ Ꞓ O S D C P T J K Pg N
P. martini holotype carapace
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Order:	Testudines
Suborder:	Cryptodira
Superfamily:	Chelonioidea
Family:	†Ctenochelyidae
Genus:	†Peritresius Baird, 1964
Type species
†Chelone ornata Leidy, 1856
Species[1]
†P. ornatus (Leidy, 1856) †P. martini Gentry et al., 2018

Taxonomy

Two species are known, Peritresius ornatus (Leidy, 1856) and P. martini Gentry, Parham, Ehret, and Ebersole, 2018, both from Campanian-Maastrichtian age deposits in New Jersey, Alabama, and Mississippi.^[2][1]

Phylogeny

Below is a cladogram from the analysis of Gentry, Ebersole & Kiernan, 2019:^[3]

Pan-Chelonioidea	†Angolachelonia †Protostegidae †Toxochelys latiremis Chelonioidea †Ctenochelyidae †Asmodochelys parhami †Prionochelys matutina †Ctenochelys acris †Ctenochelys stenoporus †Peritresius ornatus †Peritresius martini