Trilobites
Order Phacopida Suborder Calymenina, Superfamily Calymenoidea,
Family Calymenidae
Geologic Age: Ordovician
Trilobite is 34 mm long
Richmond Formation, Arnheim Member, Mount Orab, Ohio
Remarks: From an old collection as the Swatara Gap can no longer be collected.
Also see: American
Trilobites
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