Homalopoma umpquaensis Merriam and Turner 1937 (snail)

Gastropoda - Trochoidea - Turbinidae

Full reference: C. W. Merriam and F. E. Turner. 1937. The Capay Middle Eocene of Northern California. University of California Publications, Bulletin of the Department of Geological Sciences 24(6):91-114

Belongs to Homalopoma according to C. E. Weaver 1942

See also Merriam and Turner 1937, Squires 1988 and Turner 1938

Sister taxa: Homalopoma (Cantrainea), Homalopoma (Homalopoma), Homalopoma (Leptothyropsis), Homalopoma (Panacochlea), Homalopoma coombsi, Homalopoma degrangei, Homalopoma effingeri, Homalopoma granulosa, Homalopoma pacifica, Homalopoma paucicostatum, Homalopoma sanguineus, Homalopoma vancouverensis, Homalopoma wattsi

Subtaxa: Homalopoma umpquaensis domenginensis

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Type specimen: UC 33207, a shell

Ecology: epifaunal grazer

Distribution:

• Eocene of United States (6: California, Oregon, Washington collections)

Total: 6 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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