30456 - Rare 0.40 Inch Amecephalus cf. packi Middle Cambrian Trilobite - Nevada, USA Memonia sp Lioharpes montagnei

Lioharpes montagnei

Winterbergia

• Cambrian of Canada (7: British Columbia

a cephalon/head (cranidium)

30456 - Rare 0.40 Inch Amecephalus cf. packi Middle Cambrian Trilobite - Nevada, USA Memonia sp Lioharpes montagneiAmecephalus, Walcott 1924 (trilobite) Trilobita Alokistocaridae PaleoDB taxon number: 20273 Parent taxon: Ptychopariacea according to F. A. Sundberg and L. B. McCollum 2000 See also Jell and Adrain 2002, Mason 1935, Palmer and Halley 1979, Sepkoski 2002 and Sundberg and McCollum 2000 Sister taxa: Eokochaspis, Kochina, Mexicella, Piochella Subtaxa: Amecephalus arrojosensis, Amecephalus strangulatus View classification Ecology: fast moving low level