Peritresius Explained

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.^{[1] [2]}

Phylogeny

Peritresius in a cladogram from the analysis of Gentry et al., 2019:^[3]

Notes and References

1. 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.
2. Gentry AD, Parham JF, Ehret DJ, Ebersole JA (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. https://doi.org/10.1371/journal.pone.0195651
3. Andrew D. Gentry . Jun A. Ebersole . Caitlin R. Kiernan . 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 . Article ID 191950 . 10.1098/rsos.191950 . 31903219 . 6936288 . 2019RSOS....691950G .