Taxon - Odkazy a literatura
The Interim Register of Marine and Nonmarine Genera [1285305]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [jako Grayina]
Datum citace: 29. listopad 2019
Paleobiology Database [125140]
Paleobiology Database [https://paleobiodb.org/] [jako Grayina]
Datum citace: 11. prosinec 2015
Mergl M. (2003): Silicified brachiopods of the Kotýs Limestone (Lochkovian) in the Bubovice area (Barrandian, Bohemia), Acta Mus. Nat. Pragae, Ser. B, Hist. Nat., 59 (3–4): 99–150. Praha [jako Grayina Boucot, 1975]