Taxon - Odkazy a literatura
Paleobiology Database [26535]
Paleobiology Database [https://paleobiodb.org/] [jako Petrocrania Raymond, 1911]
Datum citace: 13. prosinec 2015
The Interim Register of Marine and Nonmarine Genera [1280858]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [jako Petrocrania Raymond, 1911]
Datum citace: 30. listopad 2019
The Interim Register of Marine and Nonmarine Genera [1092372]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [jako Philhedrella Kozlowski, 1929]
Datum citace: 8. prosinec 2019
Kraft J., Mergl M., Hroch T., Kraft P. (2013): Index of fossiliferous localities of the Třenice Formation (Lower Ordovician of the Prague Basin, Czech Republic), Folia Musei rerum naturalium Bohemiae occidentalis. Geologica et Paleobiologica, roč. 47, č. 1-2, s. 33-64 [jako Petrocrania]
Havlíček V. (1994): Kvania n. g. and Petrocrania Raymond (Brachiopoda, Ordovician) in the Prague Basin, Journal of the Czech Geological Society 39/4 [jako Petrocrania Raymond, 1911]