Name:
Amecephalus laticaudum
(Resser 1939a)
Order Ptychopariida, Superfamily
Ptychoparioidea, Family Alokistocaridae
Locality: Spence Gulch, Liberty Idaho (type locality)
Stratigraphy: Langston Formation,
Spence Shale member, Middle Cambrian
Remarks: Photo:
collected by Nick Skabelund
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Western
Trilobites Association:
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