Crepidula saugusensis Waterfall 1929 (slipper shell)

Gastropoda - Neotaenioglossa - Calyptraeidae

Full reference: L. N. Waterfall. 1929. A contribution to the paleontology of the Fernando Group, Ventura County, California. University of California Publications Bulletin of the Department of Geological Sciences 18(3):71-92

Belongs to Crepidula according to L. N. Waterfall 1929

Sister taxa: Calyptraea (Crepidula) protea, Crepidula (Crepidula), Crepidula (Garnotia), Crepidula (Ianacus), Crepidula (Janacus), Crepidula (Spirocrypta), Crepidula adunca, Crepidula aeola, Crepidula aplysioides, Crepidula arenata, 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 norrisiarum, Crepidula nummaria, Crepidula onyx, Crepidula pabloensis, Crepidula perforans, Crepidula plana, Crepidula praerupta, Crepidula princeps, Crepidula rostralis, Crepidula rugosa, Crepidula rugosa, Crepidula sookensis, Crepidula tainohataensis, Crepidula ungana, Crepidula unguiformis

Type specimen: UCMP 31422. Its type locality is UCMP loc. 7077, which is in a Pliocene/Pleistocene marine horizon in the Saugus Formation of California.

Ecology: facultatively mobile epifaunal suspension feeder

Distribution: found only at UCMP loc. 7077

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