Norrisia norrisii Sowerby I 1838 (Norris's top-shell)
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Gastropoda - Trochoidea - Tegulidae
Alternative combinations: Norrisia norrisi, Trochiscus norrisii
Synonyms: Trochiscus convexus Carpenter 1864, Turbo rotelliformis Jay 1839
Belongs to Norrisia according to A. Hendy 2021
See also Alf 2019, Ashley 1895, Hendy 2020 and Valentine 1957
Sister taxa: none
Ecology: epifaunal grazer
Distribution:
• Quaternary of Mexico (16 collections), United States (23: California)
• Miocene to Pliocene of United States (1: California)
Total: 40 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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