Taxon - Odkazy a literatura
The Interim Register of Marine and Nonmarine Genera [1285022]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [jako Helix Linnaeus, 1758]
Datum citace: 8. prosinec 2019
Paleobiology Database [116599]
Paleobiology Database [https://paleobiodb.org/] [jako Helix Linnaeus, 1758]
Datum citace: 11. prosinec 2015
The Interim Register of Marine and Nonmarine Genera [1175355]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [jako Tyrrhenaria Hesse, 1918]
Datum citace: 1. prosinec 2019