Megathura crenulata Sowerby 1825 (giant keyhole limpet)
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Gastropoda - Lepetellida - Fissurellidae
Alternative combinations: Fissurella crenulata, Macrochasma crenulata
Belongs to Megathura according to A. Hendy 2021
See also Conrad 1855, Rodda 1957 and Woodring and Bramlette 1950
Sister taxon: Megathura vancouverensis
Ecology: facultatively mobile epifaunal grazer
Distribution:
• Quaternary of Mexico (1 collection), United States (11: California)
• Pliocene of United States (1: California)
Total: 13 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.