(Cushman 1938) Heterohelicidae Upper Cretaceous Cenomanian American South Dallas-Fort Worth Virginia Friedman identified by M. Hesemann 1 / FEU-1004373 | (Cushman 1938) Heterohelicidae Upper Cretaceous Cenomanian American South Dallas-Fort Worth Virginia Friedman identified by M. Hesemann 2 / FEU-1004400 | --- Heterohelicidae Upper Cretaceous Cenomanian American South Dallas-Fort Worth Virginia Friedman identified by M. Hesemann 3 / FEU-1004372 | (Tappan, 1940) Heterohelicidae Upper Cretaceous Cenomanian American South Dallas-Fort Worth Virginia Friedman identified by M. Hesemann 4 / FEU-1004370 | (Tappan, 1940) Heterohelicidae Upper Cretaceous Cenomanian American South Dallas-Fort Worth Virginia Friedman identified by M. Hesemann 5 / FEU-1004371 | |||||
(Tappan, 1940) Heterohelicidae Upper Cretaceous Cenomanian American South Dallas-Fort Worth Virginia Friedman identified by M. Hesemann 6 / FEU-1004399 | --- Heterohelicidae Upper Cretaceous Cenomanian American South Dallas-Fort Worth Virginia Friedman identified by M. Hesemann 7 / FEU-1004374 | (Carsey, 1926) Hedbergellidae Upper Cretaceous Cenomanian American South Dallas-Fort Worth Virginia Friedman identified by M. Hesemann 8 / FEU-1004375 | (Carsey, 1926) Hedbergellidae Upper Cretaceous Cenomanian American South Dallas-Fort Worth Virginia Friedman identified by M. Hesemann 9 / FEU-1004376 | (Carsey, 1926) Hedbergellidae Upper Cretaceous Cenomanian American South Dallas-Fort Worth Virginia Friedman identified by M. Hesemann 10 / FEU-1004377 | |||||
(Carsey, 1926) Hedbergellidae Upper Cretaceous Cenomanian American South Dallas-Fort Worth Virginia Friedman identified by M. Hesemann 11 / FEU-1004401 | (Carsey, 1926) Hedbergellidae Upper Cretaceous Cenomanian American South Dallas-Fort Worth Virginia Friedman identified by M. Hesemann 12 / FEU-1004406 |