Malakhova, 1973 Ammarchaediscidae Mississippian Ural Mountains unknown Loeblich and Tappan identified by scientist 1 / FEU-1014091 | (Rauzer-Chernousova, 1948 Ammarchaediscidae Mississippian unknown Loeblich and Tappan identified by scientist 2 / FEU-1014096 | Vdovenko, 1970 Ammarchaediscidae Mississippian Eastern European Plain unknown Loeblich and Tappan identified by scientist 3 / FEU-1014098 | Conil & Pirlet, 1974 Ammarchaediscidae Mississippian Iranian Plateau unknown Loeblich and Tappan identified by scientist 4 / FEU-1014099 | Malakhova, 1973 Ammarchaediscidae Mississippian Ural Mountains unknown Loeblich and Tappan identified by scientist 5 / FEU-1014100 | |||||