Opisthoptera
Species
Opisthoptera alternata Ulrich
Occurrence: Waynesville, Whitewater
Reference: Pojeta, 1966
includes junior synonyms Opisthoptera obliqua and Opisthoptera extenuata
Opisthoptera ampla Ulrich
Occurrence: Fairmount
Reference: Pojeta, 1966
generic assignment uncertain; may belong to Ambonychia, Anomalodonta, or a new genus
Opisthoptera casei (Meek & Worthen)
Occurrence: Waynesville, Whitewater, Elkhorn
Reference: Pojeta, 1966; Pojeta, 1971
formerly Anomalodonta casei and Megaptera casei;
Includes specimens formerly assigned to Opisthoptera fissicosta
