Gastropoda - Bellerophontida

Full reference: R. J. Horný. 1961. New genera of Bohemian Monoplacophora and patellid Gastropoda. Vestník Ústredniho Ústavu Geologického 36(5):299-302

Parent taxon: Bellerophontida according to J. J. Sepkoski 2002

Sister taxa: Atlantobellerophon, Bellerophontina, Cloudina, Euphemitella, Gammadiscus, Lenticularis, Mirochiliticus, Pseudowarthia, Rotadiscoides, Squarrosus, Tropidodiscoidea

Subtaxa: Siluracmaea ovoidea

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Type: Palaeacmaea ovoidea

Ecology: slow-moving low-level epifaunal detritivore