Taxon - Odkazy a literatura
The Interim Register of Marine and Nonmarine Genera [1306943]
Rees, T. (compiler): The Interim Register of Marine and Nonmarine Genera [https://www.irmng.org] [jako Gordia Emmons, 1844]
Datum citace: 30. listopad 2019
Mikuláš R. (1992): Trace fossils from the Kosov Formation of the Bohemian Upper Ordovician, Sborník geologickych věd, Paleontologie, 32, 9-54 [jako Gordia Emmons, 1844]