Taxon - Odkazy a literatura
The Interim Register of Marine and Nonmarine Genera [1292149]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [jako Orthotheca Novák, 1887]
Datum citace: 29. listopad 2019
Paleobiology Database [7704]
Paleobiology Database [https://paleobiodb.org/] [jako Orthotheca Novak, 1886]
Datum citace: 11. prosinec 2015