Littorina (Neritrema) keenae Rosewater 1978 (periwinkle)
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Gastropoda - Sorbeoconcha - Littorinidae
Alternative combination: Littorina keenae
Invalid subtaxa: Litorina planaxis Philippi 1847 [replaced name], Littorina planaxis Philippi 1847 [replaced name]
Belongs to Littorina (Neritrema) according to A. Hendy 2021
See also Addicott and Emerson 1959
Sister taxa: none
Ecology: epifaunal grazer
Distribution:
• Quaternary of Mexico (18 collections), United States (23: California)
Total: 41 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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