

Neithea texanaOU 28307; Scallop bivalve; Lower Cretaceous; Fort Worth member, Caddo Formation; Marshall County, Oklahoma; CC BY-NC-ND 4.0
Neithea texana


Lima mexicanaBivalve; Lower Cretaceous; Fort Worth member, Caddo Formation; Marshall County, Oklahoma; CC BY-NC-ND 4.0
Lima mexicana


Tapes aldamensisOU 39415; Bivalve; Lower Cretaceous; Goodland Formation; Bryan County, Oklahoma; CC BY-NC-ND 4.0
Tapes aldamensis


Cyprimeria texanaBivalve; Lower Cretaceous; Goodland Formation; Marshall County, Oklahoma; CC BY-NC-ND 4.0
Cyprimeria texana


Pholadomya sp.Bivalve; Lower Cretaceous; Fort Worth, Caddo Formation; Marshall County, Oklahoma CC BY-NC-ND 4.0
Pholadomya sp.


Protocardia texanaOU 14040; Bivalve; Lower Cretaceous; Fort Worth member, Caddo Formation; Marshall County, Oklahoma; CC BY-NC-ND 4.0
Protocardia texana


Pholadomya sabaeOU 39405; Bivalve; Lower Cretaceous; Kiamichi Formation; Marshall County, Oklahoma; CC BY-NC-ND 4.0
Pholadomya sabae


Inocerannas comanchianusOU 28291; Bivalve; Lower Cretaceous; Fort Worth, Caddo Formation; Marshall County, Oklahoma; CC BY-NC-ND 4.0
Inocerannas comanchianus


Trigonia emoryiOU 42341; Bivalve; Lower Cretaceous; Duck Creek Member, Caddo Formation; Marshall County, Oklahoma; CC BY-NC-ND 4.0
Trigonia emoryi


Peilina-quadriplicataOyster bivalve; Lower Cretaceous; Denton Formation; Marshall County, Oklahoma; CC BY-NC-ND 4.0
Peilina-quadriplicata


Texigryphaea roemeriOU 14027; Oyster bivalve; Lower Cretaceous; Grayson Formation; Marshall County, Oklahoma; CC BY-NC-ND 4.0
Texigryphaea roemeri


Texigryphaea naviaOU 14038; Oyster bivalve; Lower Cretaceous; Kiamichi Formation; Marshall County, Oklahoma; CC BY-NC-ND 4.0
Texigryphaea navia


Ilmatogyra arietinaOU 13998; Oyster bivalve; Lower Cretaceous; Grayson Formation; Marshall County, Oklahoma; CC BY-NC-ND 4.0
Ilmatogyra arietina


Exogya costataOU 37488; Oyster bivalve; Lower Cretaceous; Grayson Formation; Marshall County, Oklahoma; CC BY-NC-ND 4.0
Exogya costata


Exogyra texanaOyster bivalve; Lower Cretaceous; Goodland Formation; Choctaw County, Oklahoma; CC BY-NC-ND 4.0
Exogyra texana


Lopha subovataOU 28301; Oyster bivalve; Lower Cretaceous; Fort Worth, Caddo Formation; Bryan County, Oklahoma; CC BY-NC-ND 4.0
Lopha subovata


Rastellum (Arctostrea) carinatumOU 28621; Bivalve, "Denture clam"; Lower Cretaceous; Denton Formation; Marshall County, Oklahoma; CC BY-NC-ND 4.0