†subfamily Protosteginae Wieland (sea turtle)

Reptilia - Testudines - Protostegidae

Parent taxon: Protostegidae according to O. W. M. Kuhn 1966

See also Weems 1988 and Zangerl 1953

Sister taxa: Archelon, Bouliachelys, Chelospharginae, Chelosphargis, Cratochelone, Desmatochelys, Neptunochelys, Notochelone, Pneumatoarthrus, Protostega, Rhinochelys, Santanachelys, Terlinguachelys

Subtaxa: Calcarichelys Microstega

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Ecology:

Distribution:

• Cretaceous of Angola (1 collection), United States (3: Alabama, Kansas)

Total: 4 collections each including a single occurrence

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