Taxon - Odkazy a literatura
Paleobiology Database [26530]
Paleobiology Database [https://paleobiodb.org/] [jako Orbithele Sduy, 1955]
Datum citace: 24. prosinec 2015
The Interim Register of Marine and Nonmarine Genera [1098315]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [jako Orbithele Sdzuy, 1955]
Datum citace: 30. listopad 2019