ammonites
banner
Gateway to the Paleobiology Database
Williamia Monterosato 1884 (pulmonate)

Gastropoda - Basommatophora - Siphonariidae

PaleoDB taxon number: 12289

Parent taxon: Siphonariidae according to J. A. Todd 2001

Sister taxa: Anisomyon, Siphonacmea, Siphonaria

Subtaxa: Williamia parva

View classification

Ecology: facultatively mobile epifaunal grazer