Amecephalus laticaudum


Kingdom
Animalia
Phylum
Arthropoda
Class
Trilobita
Order
Ptychopariida
Suborder
Ptychopariina
Superfamily
Ptychoparioidea
Family
Alokistocaridae
Binomial Name
Amecephalus laticaudum
Formation
Spence Shale
Locale
Utah
Age
Middle Cambrian
Notes
With the broad and long genal spines this has a superficial resemblance to a Harpide trilobite, but it is actually in the same family as Elrathia kingi. In their Trilobite Gallery the American Museum of Natural History calls this species Amecephalus althea, apparently deciding that A. althea and A. laticaudum are the same species and so using the senior name. But most trilobite experts still consider the species to be distinct.

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Amecephalus laticaudum


Picture of Amecephalus laticaudum
Picture of Amecephalus laticaudum