Taxon - Odkazy a literatura
The Interim Register of Marine and Nonmarine Genera [1321322]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [jako Clarkeia Kozlowski, 1923]
Datum citace: 30. listopad 2019
Paleobiology Database [29809]
Paleobiology Database [https://paleobiodb.org/] [jako Clarkeia]
Datum citace: 11. prosinec 2015
Havlíček V. & Štorch P. (1990): Silurian brachiopods and benthic communities in the Prague Basin (Czechoslovakia), Ústřední ústav geologický, Academia [jako Clarkeia Kozłowski, 1923]