†Trochotoma (Discotoma)
Gastropoda - Pleurotomarioidea - Trochotomidae
Alternative spelling: Discotoma
Parent taxon: Trochotoma according to J. Tong and D.H. Erwin 2001
See also Sepkoski 2002
Sister taxa: Trochotoma (Trochotoma), Trochotoma (Trochotoma) affinis, Trochotoma clypeus, Trochotoma elegans, Trochotoma maubertense, Trochotoma orbita, Trochotoma prisca, Trochotoma striatum, Trochotoma vetusta
Subtaxa: Discotoma planoconvexa Trochotoma (Discotoma) gansuensis Trochotoma (Discotoma) multipleura Trochotoma (Discotoma) yunnanensis
Distribution: