Taxon - Links and literature
Prokop R. J., Petr V. (1990): Type Specimens of Fossils in the National Museum of Prague: Paleozoic Crinoidea, National Museum Prague [as Perunocrinus brachialis Prokop, 1986]
Prokop R. J. (1987): Stratigraphical distribution of Devonian crinoids, Newsletters on Stratigraphy, 17, 101–107 [as Perunocrinus brachialis Prokop, 1986]