Taxon - Odkazy a literatura
Paleobiology Database [39618]
Paleobiology Database [https://paleobiodb.org/] [jako Praemancalla Howard, 1966]
Datum citace: 24. prosinec 2015
The Interim Register of Marine and Nonmarine Genera [1242197]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [jako Praemancalla Howard, 1966]
Datum citace: 29. listopad 2019