Taxon - Odkazy a literatura
Paleobiology Database [119369]
Paleobiology Database [https://paleobiodb.org/] [jako Undacyclites Farsan, 1994]
Datum citace: 11. prosinec 2015
The Interim Register of Marine and Nonmarine Genera [1139276]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [jako Undacyclites Farsan, 1994]
Datum citace: 30. listopad 2019
N. M. Farsan (1994): Tentaculiten : Ontogenese, Systematik, Phylogenese, Biostratonomie und Morphologie, Frankfurt am Main : W. Kramer, 1994 124, [1] p. : ill. [jako Undacyclites Farsan, 1994]