Norrisia Bayle 1880 (snail)

Gastropoda - Trochoidea - Tegulidae

Synonym: Trochiscus Sowerby I 1838

Parent taxon: Tegulidae according to A. Alf 2019

See also Palmer and Brann 1965 and Sepkoski 2002

Sister taxa: Cantallocostoma, Intistoma, Stearnsium, Tegula

Subtaxa: Norrisia norrisii

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Ecology: epifaunal grazer

Distribution:

• Quaternary of Mexico (16 collections), United States (23: California)

• Pliocene to Pleistocene of United States (2: California)

• Pliocene of United States (1: California)

• Miocene to Pliocene of United States (1: California)

• Eocene of United States (9: Alabama, Mississippi, Texas)

• Paleocene of Nigeria (1)

Total: 53 collections including 60 occurrences

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Specimen images are retrieved through the ePANDDA API.


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