Polyplacophora - Multiplacophora
Full reference: R. D. Hoare and R. H. Mapes. 1995. Relationships of the Devonian Strobilepis and related Pennsylvanian problematica. Acta Palaeontologica Polonica 40(2):111-128
Parent taxon: Polyplacophora according to M. J. Vendrasco et al. 2004
See also Sepkoski 2002
Sister taxa: Dycheiidae, Emo, Heloplacidae, Mesoplacophora, Neoloricata, Paleoloricata, Prisochiton, Trachydermon, Oligochiton
Subtaxa: Hercolepadidae Polysacos Strobilepida Strobilepidae
Ecology: facultatively mobile epifaunal grazer
Distribution:
• Permian of the United Kingdom (2 collections), United States (1: Oregon)
• Carboniferous of United States (1: Indiana)
• Givetian of United States (1: New York)
• Devonian of South Africa (1), United States (2: Missouri, Ohio)
Total: 8 collections including 10 occurrences