Bivalvia - Ostreida - Ostreidae

Alternative combination: Ostrea appressa

Full reference: W. M. Gabb. 1869. Section II. Cretaceous Fossils. Part I. Description of New Species. Palaeontology of California, Volume II, Cretaceous and Tertiary Fossils 127-205

Belongs to Striostrea according to E. J. Moore 1987

See also Gabb 1869 and Stewart 1930

Sister taxa: Striostrea (Parastriostrea), Striostrea bourgeoisii, Striostrea cahobasensis, Striostrea dorsata, Striostrea freudenbergi, Striostrea gigantissima, Striostrea margaritacea, Striostrea paucichomata, Striostrea prismatica, Striostrea subtitan

Type specimen: MCZ 15103, a shell

Distribution: found only at Locality 9, Punta San Ysidro - Beal (1948) (Paleocene of Mexico)

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Specimen images are retrieved through the ePANDDA API.