Genus: Pleurochayah ADRIAN, SMITH, NOTO & GROSSMAN, 2021
Etymology: Greek, pleuro, "side" and Caddo (a Native American tribe that inhabited much of the Gulf Coast of North America), cha'yah, "turtle."

Species: appalachius ADRIAN, SMITH, NOTO & GROSSMAN, 2021
Etymology: In reference to Appalachia, the region comprising eastern North America.

Holotype: DMNH 2013-07-1782

Locality: UTA Location 50 (Arlington Archosaur Site; AAS), northern Arlington, Tarrent County, Texas.

Note: Exact locality data on fileat the Perot Museum of Nature and Science, Dallas, Texas for qualified researchers.

Horizon: Lewisville Member, Woodebine Formation.

Biostratigraphy:

Age: Cenomanian Stage, Upper Gallic subepoch, Lowest Gulf Epoch, Late Early to Early Middle Cretaceous.

Material: Partial cranium consisting of most of the basicranium, neurocranium, right otic region, and portion of the rostrum.

Referred material:

DMNH 2013-07-0500: Proximal left humerus.

DMNH 2013-07-0517: Left costal.

DMNH 2013-07-0525: Partial cf. left costal 4.

DMNH 2013-07-0557: Partial cf. right costal 3.

DMNH 2013-07-0673: Rigth peripheral 7.

DMNH 2013-07-0685: Nerual 3 of a juvenile.

DMNH 2013-07-1279: Left peripheral 9.

DMNH 2013-07-1320: Partial cf. right costal 3, partial cf. right costal 4.

DMNH 2013-07-1405: Left costal 6.

DMNH 2013-07-1998: Pygal.

DMNH 2013-07-1998: Left costal.