Taxon - Odkazy a literatura
The Interim Register of Marine and Nonmarine Genera [1270491]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [jako Helicina Lamarck, 1799]
Datum citace: 30. listopad 2019
Paleobiology Database [116324]
Paleobiology Database [https://paleobiodb.org/] [jako Helicina Lamarck, 1799]
Datum citace: 13. prosinec 2015
The Interim Register of Marine and Nonmarine Genera [1127255]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [jako Olygyra Say, 1818]
Datum citace: 29. listopad 2019
Paleobiology Database [116325]
Paleobiology Database [https://paleobiodb.org/] [jako Olygyra Say, 1818]
Datum citace: 11. prosinec 2015