†family Palaeacmaeidae Grabau and Shimer 1909 (mollusk)
Monoplacophora - Palaeacmaeidae
Full reference: A. W. Grabau and H. W. Shimer. 1909. North American index fossils, invertebrates 1-909
Parent taxon: Monoplacophora according to G.P. Wahlman 1992
Sister taxa: Eomonoplacophora, Monoplacophorus, Multifariida, Neopilina, Sinuitopsida, Triblidioidea, Vema, Wildernessia
Subtaxa: none
Ecology: epifaunal grazer
Distribution: there are no occurrences of Palaeacmaeidae in the database