Durable 30558 - Top Rare 0.35 Inch Amecephalus Piochensis Middle Cambrian Trilobite - Nevada, Usa Limited Time 45% Off [9zLiH1fN]

† Amecephalus, 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

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Ecology: fast-moving low-level epifaunal deposit feeder

Environments: marine (5 collections), (2), carbonate (1), transition zone/lower shoreface (1)

Age range: 513.0 to 488.3 Ma

Distribution:

• Cambrian of Canada (7: British Columbia, Northwest Territories, Yukon Territory collections), Mexico (1), United States (6: Nevada, Utah)