Ogygopsis typicalis

Trilobites Order Ptychopariida Suborder Ptychopariina, Superfamily Ptychopariacea, Family Alokistocaridae
Geologic Age: Middle Cambrian
Trilobite is 38 mm long
Spence Shale, Wellsville Mountain, Utah
Comment: Ogygopsis is an index fossil for the Middle Cambrian that is found throughout Utah and Nevada.

Also see: US Trilobites






Ogygopsis typicalis Trilobite Spence Shale Utah