Gastropoda - Trochoidea - Trochidae
Parent taxon: Trochidae according to K. M. Donald et al. 2005
See also Beu et al. 1990, MacNeil 1960 and Squires 1987
Sister taxa: Anticonulus, Antisolarium, Buckmanina, Calliostomatinae, Canthardinae, Chlorostoma, Chuelskia, Cirsostylus, Cittarium, Cochleochilus, Coeloconulus, Coralastele, Enida, Eocalliostoma, Eucyclinae, Falsotectus, Francisciconcha, Gallensteinia, Gena, Granulifera, Halistylinae, Hybochelus, Karabolkia, Lirulariinae, Lithotrochus, Livona, Margarella, Microgaza, Phorcus, Prothalotia, Serratotrochus, Solariconulus, Stelzneria, Stomatellinae, Suavotrochus, Synaptocochlea, Thalotia, Trochaclididae, Trochaclis, Trochinae, Trochotectus, Trochus, Turcicula, Umboniinae, Vacekia, Stomatiinae, Eostomias
Subtaxa: Chrysostoma Michaletia Micrelenchus Pachydontella
Ecology: epifaunal grazer
Distribution:
• Quaternary of Australia (1 collection), New Zealand (1)
• Pliocene of Japan (1), New Zealand (1)
• Miocene to Pliocene of the Dominican Republic (1)
• Oligocene of Australia (1)
• Eocene of Australia (3)
• Jurassic of Italy (1), Tanzania (1)
• Permian of Italy (4)
Total: 15 collections each including a single occurrence