Taxon - Odkazy a literatura
The Interim Register of Marine and Nonmarine Genera [1175701]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [jako Patinastra Thiele in Troschel, 1891]
Datum citace: 29. listopad 2019
The Interim Register of Marine and Nonmarine Genera [1423676]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [jako Helcion Montfort, 1810]
Datum citace: 30. listopad 2019
Paleobiology Database [8411]
Paleobiology Database [https://paleobiodb.org/] [jako Helcion Montfort, 1810]
Datum citace: 13. prosinec 2015