Presbynelius ibexensis
Name: Presbynelius ibexensis
Locality: Millard Co., Utah
Stratigraphy: Fillmore Formation, Pogonip Group, Ordovician
Remarks: left Photo: G. Ast Collection; right Photo: Robert Drachuk at
Fossil Mall
The correct name may be Presbynelius (Presbynelius ) ibexensis (formerly Paranileus) (Zone I, Utah).