Taxon - Odkazy a literatura
Paleobiology Database [26527]
Paleobiology Database [https://paleobiodb.org/] [jako Orbiculoidea d'Orbigny, 1847]
Datum citace: 13. prosinec 2015
The Interim Register of Marine and Nonmarine Genera [1002910]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [jako Orbiculoidea d'Orbigny, 1847]
Datum citace: 30. listopad 2019
Mergl M. (2001): Lingulate brachiopods of the Silurian and Devonian of the Barrandian (Bohemia, Czech Republic), Acta Mus. Nat. Pragae. Ser. B, Hist. Nat ., 57 (1 - 2): 1 - 49 [jako Orbiculoidea d'Orbigny, 1847]