Peritresius

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

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

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

References

1. Gentry, A. D.; Parham, J. F.; Ehret, D. J.; Ebersole, J. A. (2018). "A New Species of Peritresius Leidy, 1856 (Testudines: Pan-Cheloniidae) from the Late Cretaceous (Campanian) of Alabama, USA, and the Occurrence of the Genus within the Mississippi Embayment of North America". PLOS ONE. 13 (4): e0195651. Bibcode:2018PLoSO..1395651G. doi: 10.1371/journal.pone.0195651 . PMC   5906092 . PMID   29668704.
2. Leidy J. Notices of remains of extinct turtles of New Jersey collected by Professor Cook of the State Geological Survey. Proceedings of the Academy of Natural Science, Philadelphia. 1856; 8: 303–304.
3. Gentry, A.D.; Ebersole, J.A.; Kiernan, C.R. (2019). "Asmodochelys parhami, a new fossil marine turtle from the Campanian Demopolis Chalk and the stratigraphic congruence of competing marine turtle phylogenies". Royal Society Open Science. 6 (12) 191950. Bibcode:2019RSOS....691950G. doi:10.1098/rsos.191950. PMC   6936288 . PMID   31903219.