Taxon - Odkazy a literatura
Paleobiology Database [24842]
Paleobiology Database [https://paleobiodb.org/] [jako Crassohornera]
Datum citace: 30. leden 2016
The Interim Register of Marine and Nonmarine Genera [1196618]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [jako Crassohornera Waters, 1887]
Datum citace: 30. listopad 2019