Species: hiatti GAFFNEY, 1972
Etymology:

Holotype: MCZ 4070

Locality: 1 mile from Hardee (Hardy, Harday) on road to Foresburg, Montague County, Texas.

Horizon: Trinity Sand, Trinity Group.

Biostratigraphy:

Age: Comanchean, Lower Cashenranchian age, Early to Middle Albian Stage, Middle Gallic subepoch, upper Early Cretaceous Epoch, Early Cretaceous.

Material: Skull and nearly complete shell.

_____________________________________________________________________________________

Species: maini ADRIAN, SMITH, NOTO & GROSSMAN, 2019
Etymology: In honor of the late Dr. Derek Main, for his vision and dedicated study and management of teh AAS fossil collections.

Holotype: DMNH 2013-07-0712

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: Anterior lobe of a plastron.

Referred material:

DMNH 2013-07-0784: Co-ossifed partial anterior carapace and associated cossified posterior carapace.

DMNH 2013-07-0499: Isolated p1.

DMNH 2013-07-1711: Isolated nu.

DMNH 2013-07-0696, -0704: Left co-ossifed bridge weries.

DMNH 2013-07-0873: Left co-ossified bridge series.

DMNH 2013-07-1703:Isolated mes.

DMNH 2013-07-1717: Isoalted xi of a cf. juvenile.