Taxon - Links and literature
Paleobiology Database [41300]
Paleobiology Database [https://paleobiodb.org/] [as Ysengrinia Ginsburg, 1965]
Data retrieved on: 6 January 2020
The Interim Register of Marine and Nonmarine Genera [1093030]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [as Ysengrinia Ginsburg, 1966]
Data retrieved on: 6 January 2020