Crepidula onyx Sowerby 1824 (slipper shell)

Gastropoda - Neotaenioglossa - Calyptraeidae

Belongs to Crepidula according to A. Hendy 2021

See also Addicott and Emerson 1959 and Hanna 1926

Sister taxa: Calyptraea (Crepidula) protea, Crepidula (Crepidula), Crepidula (Garnotia), Crepidula (Ianacus), Crepidula (Janacus), Crepidula (Spirocrypta), Crepidula adunca, Crepidula aeola, Crepidula aplysioides, Crepidula bractea, Crepidula convexa, Crepidula cymbaeformis, Crepidula depressa, Crepidula deprima, Crepidula diminutiva, Crepidula dumosa, Crepidula excavata, Crepidula falconeri, Crepidula fornicata, Crepidula gatunensis, Crepidula gibbosa, Crepidula incurva, Crepidula iniquita, Crepidula lessonii, Crepidula lirata, Crepidula maculosa, Crepidula naticarum, Crepidula navicula, Crepidula nivea, Crepidula norrisianum, Crepidula nummaria, Crepidula pabloensis, Crepidula perforans, Crepidula plana, Crepidula praerupta, Crepidula princeps, Crepidula rostralis, Crepidula rugosa, Crepidula rugosa, Crepidula saugusensis, Crepidula sookensis, Crepidula tainohataensis, Crepidula ungana, Crepidula unguiformis

Ecology: facultatively mobile epifaunal suspension feeder

Distribution:

• Quaternary of Argentina (1 collection), Costa Rica (1), Mexico (4), United States (32: California)

• Pliocene of Costa Rica (1), United States (1: California)

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

• Miocene of United States (4: California)

Total: 45 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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