Trilobita - Ptychopariida - Marjumiidae

Parent taxon: Marjumiidae according to P. A. Jell and J. M. Adrain 2002

See also Sepkoski 2002

Sister taxa: Anemocephalops, Coosella, Crepichilella, Glyphopeltis, Holmdalia, Lecanopleura, Modocia, Nasocephalus, Nericella, Nericia, Pearylandia, Petruninaspis, Schyilaspis, Shickshockia, Syspacheilus

Subtaxa: none

Ecology: fast-moving low-level epifaunal carnivore

Distribution: found only at Horizon SM21, Sheep Mtn. Sect., Park Shale Fm., WY - Lochman and Hu 1960 (Cambrian of Wyoming)

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Specimen images are retrieved through the ePANDDA API.