Taxon - Odkazy a literatura
The Interim Register of Marine and Nonmarine Genera [1018954]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [jako Omphalotropis L. Pfeiffer, 1851]
Datum citace: 22. leden 2020
The Interim Register of Marine and Nonmarine Genera [1446729]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [jako Scalinella Pease, 1868]
Datum citace: 1. prosinec 2019
Paleobiology Database [10207]
Paleobiology Database [https://paleobiodb.org/] [jako Omphalotropis]
Datum citace: 11. prosinec 2015