Taxon - Odkazy a literatura
Paleobiology Database [32715]
Paleobiology Database [https://paleobiodb.org/] [jako Gemmacrinus Prokop & Petr, 1989]
Datum citace: 27. leden 2016
The Interim Register of Marine and Nonmarine Genera [1057498]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [jako Gemmacrinus Prokop & Petr, 1989]
Datum citace: 30. listopad 2019
Prokop R. J., Petr V. (1989): Gemmacrinus perplexus n. gen., n. sp. (Crinoidea, ?Camerata or ?Inadunata) from Lower Devonian of Bohemia, Acta Musei Nationalis Pragae, Series B – Historia Naturalis, 44, 127–135 [jako Gemmacrinus Prokop & Petr, 1989]