MolluscaBase taxon details
original description
(of Tritonium (Sassia) faxense Ravn, 1933 †) Ravn, J. P. J. (1933). Études sur les pélécypodes et gastropodes Daniens du Calcaire de Faxe. <em>Det Kongelige Danske Videnskabernes Selskabs Skrifter, Naturvisdeskabelig og Mathematisk Afdeling / Mémoires de l'Ácadémle Royale des Sciences et des Lettres de Danemark, Copenhague, Section des Sciences.</em> ser. 9, 5(2): 1-74, 7 pls. [details] Available for editors [request]
additional source
Vicián, Z. & Kovács, Z. (2022). Middle Eocene Tonnoidea (Caenogastropoda) from the Hungarian Paleogene Basin. <em>Fragmenta Palaeontologica Hungarica.</em> 37 (2021), 13-47., available online at https://doi.org/10.17111/FragmPalHung.2021.37.13 [details] Available for editors [request]