Gastropoda - Seguenzioidea - Eucyclidae
Parent taxon: Eucyclidae according to J. GrĂ¼ndel and H. A. Kollmann 2012
Sister taxa: Ambercyclus, Amberleya, Calliotropinae, Calliotropis, Eucycloidea, Eucyclomphalus, Eucycloscala, Eucyclus, Gerasimovcyclus, Jeanclaudella, Mistelgauia, Neoeunema, Trochonodus, Trypanotrochus, Euchelus, Calliomphalus, Bathybembix, Planolateralus, Ilerdus, Cidarina, Onkospira, Paleunema, Perrinia, Turcica, Solaricida, Danilia, Mirachelus, Lischkeia
Subtaxa: Ooliticia
Ecology: epifaunal grazer
Distribution:
• Cretaceous of France (1 collection), Japan (1), the United Kingdom (2)
• Jurassic of France (1), Greenland (1), Portugal (1), the United Kingdom (5), United States (2: Utah)
Total: 14 collections including 15 occurrences