(Rauzer-Chernousova, 1938 Hemigordiidae Mississippian Eastern European Plain unknown Loeblich and Tappan identified by scientist 1 / FEU-1014085 | Ho, 1959 Hemigordiidae Upper Triassic unknown Loeblich and Tappan identified by scientist 2 / FEU-1014842 | Sosnina, 1983 Hemigordiidae Upper Permian Eastern Siberia unknown Loeblich and Tappan identified by scientist 3 / FEU-1014881 | Sosnina, 1983 Hemigordiidae Upper Permian Eastern Siberia unknown Loeblich and Tappan identified by scientist 4 / FEU-1014882 | (Spandel, 1901) Hemigordiidae unknown type specimen holotype 5 / FEU-1020024 | |||||