Molopophorus stephensoni Dickerson 1917 (snail)

Gastropoda - Neogastropoda - Nassariidae

Full reference: R. E. Dickerson. 1917. Climate and its influence upon the Oligocene faunas of the Pacific Coast, with descriptions of some new species from the Molopophorus lincolnensis Zone. Proceedings of the California Academy of Sciences 7(6):157-192

Belongs to Molopophorus according to W. L. Effinger 1938

See also Clark and Anderson 1938 and Durham 1944

Sister taxa: Molopophorus aequicostatus, Molopophorus anglonana, Molopophorus antiquatus, Molopophorus biplicatus, Molopophorus bramkampi, Molopophorus californicus, Molopophorus cretaceus, Molopophorus crooki, Molopophorus dalli, Molopophorus effingeri, Molopophorus gabbi, Molopophorus lincolnensis, Molopophorus newcombei, Molopophorus striatus

Type specimen: CAS 422. Its type locality is CAS loc. 181, Cowlitz River, 4mi E. of Vader, which is in an Eocene coastal sandstone/conglomerate in Washington.

Ecology: slow-moving low-level epifaunal carnivore

Distribution:

• Eocene of Canada (1: British Columbia collection), United States (4: California, Washington)

Total: 5 collections each including a single occurrence

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