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Thylacus Conrad 1860 (slipper shell)

Gastropoda - Calyptraeoidea - Calyptraeidae

PaleoDB taxon number: 10577

Parent taxon: Calyptraeidae according to D. T. Dockery 1993

Sister taxa: Bostrycapulus, Calyptraea, Calyptroides, Calyptropsis, Clypeola, Crepidula, Crepipatella, Crucibulum, Ergaea, Grandicrepidula, Maoricrypta, Sigapatella, Trochita, Zegalerus

Subtaxa: Thylacus cretaceus

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Ecology: facultatively mobile epifaunal suspension feeder