Check-lists
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Links and literature
[1] Prokop R. J., Petr V. (1990): Type Specimens of Fossils in the National Museum of Prague: Paleozoic Crinoidea, National Museum Prague [as Entrochus nodulosus Waagen et Jahn, 1899]
Prokop R. J., Petr V. (1990): Type Specimens of Fossils in the National Museum of Prague: Paleozoic Crinoidea, National Museum Prague [as Entrochus nodulosus Waagen et Jahn, 1899]