Pycnodonte (Crenostrea) eldridgei Arnold 1907 (oyster)

Bivalvia - Ostreida - Gryphaeidae

Alternative combinations: Crassostrea eldridgei, Ostrea eldridgei

Full reference: R. Arnold. 1907. New and characteristic species of fossil mollusks from the oil-bearing Tertiary formations of southern California. Proceedings of the United States National Museum 32(1545):525-546

Belongs to Pycnodonte (Crenostrea) according to E. J. Moore 1987

See also Addicott 1973, Arnold 1907 and Hertlein and Jordan 1927

Sister taxa: Crenostrea segurai, Pycnodonte (Crenostrea) achanes, Pycnodonte (Crenostrea) antiguensis, Pycnodonte (Crenostrea) verracruzana, Pycnodonte (Crenostrea) wuellerstorfi

Type specimen: USNM 164966, a shell

Ecology: stationary epifaunal suspension feeder


• Miocene of United States (8: California collections)

• Oligocene of United States (5: California)

• Eocene of Mexico (2)

Total: 15 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.

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