Polyplacophora - Septemchitonida
Full reference: J.M.R. Bergenhayn. 1955. Die fossilen Schwedischen Loricaten nebst einer vorläufigen Revision des Systems der ganzen Klasse Loricata. Lunds Universitets Årsskrift, Nya Förhandlingar, Avdelningen 2 51(8):1-46
Parent taxon: Paleoloricata according to R. D. Hoare and J., Jr. Pojeta 2006
Sister taxa: Alastega, Arctoplax, Aulochitonidae, Bursata, Chelodina, Cobcrephora, Echinochitonidae, Enetoplax, Hawthorneachiton, Heloplax, Mattheviidae, Plectrochiton, Priscochiton, Probolaeum, Septemchiton, Solenocaris, Thairoplax
Subtaxa: Alastegiidae
Ecology: facultatively mobile epifaunal grazer
Distribution: found only at USGS 6034-CO, Sulphur Well(s), New Watts Mill Rd., Little Hickman A section (Ordovician of Kentucky)