Taxon - Odkazy a literatura
The Interim Register of Marine and Nonmarine Genera [1093030]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [jako Ysengrinia Ginsburg, 1966]
Datum citace: 6. leden 2020
Paleobiology Database [41300]
Paleobiology Database [https://paleobiodb.org/] [jako Ysengrinia Ginsburg, 1965]
Datum citace: 6. leden 2020