†suborder Chelodina Bergenhayn 1960 (chiton)

Polyplacophora - Paleoloricata

Full reference: J.R.M. Bergenhayn. 1960. Cambrian and Ordovician loricates from North America. Journal of Paleontology 34(2):168-178

Parent taxon: Paleoloricata according to B. Runnegar et al. 1979

See also Hoare 2002

Sister taxa: Alastega, Arctoplax, Aulochitonidae, Bursata, Cobcrephora, Echinochitonidae, Enetoplax, Hawthorneachiton, Heloplax, Mattheviidae, Plectrochiton, Priscochiton, Probolaeum, Sarkachiton, Septemchiton, Septemchitonida, Solenocaris, Thairoplax

Subtaxa: Gotlandochitonidae Helminthochitonidae Preacanthochitonidae Scanochitonidae Septemchitonidae

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Ecology: facultatively mobile epifaunal grazer


• Cretaceous of Sweden (3 collections)

• Devonian of Germany (2)

• Silurian of Sweden (1), United States (1: California)

• Ordovician of United States (3: Kentucky)

• Jefferson of United States (3: Oklahoma)

• Cambrian of United States (3: Missouri, Utah)

Total: 16 collections including 23 occurrences

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