Gastropoda - Trochoidea - Trochidae
Full reference: C. T. S. Little, T. Danelian, R. J. Herrington and R. M. Haymon. 2004. Early jurassic hydrothermal vent community from the Franciscan Complex, California. Journal of Paleontology 78(3):542-559
Parent taxon: Trochidae according to C. T. S. Little et al. 2004
Sister taxa: Antisolarium, Calliostomatinae, Calliotrochus, Chuelskia, Cittarium, Coeloconulus, Coralastele, Enida, Eucyclinae, Gena, Granulifera, Halistylinae, Hybochelus, Karabolkia, Lirulariinae, Livona, Margarella, Margaritinae, Microgaza, Monodontinae, Pachypoma, Parvitomella, Prothalotia, Solariconulus, Solariellinae, Stomatellinae, Suavotrochus, Synaptocochlea, Tegulinae, Thalotia, Trochaclididae, Trochaclis, Trochinae, Trochus, Turcicula, Umboniinae, Vacekia, Stomatiinae
Subtaxa: Francisciconcha maslennikovi
Ecology: epifaunal grazer