Granigyra granulifera

This species is found at bathyal depths in the Mediterranean Sea; in the Atlantic Ocean off Madeira and the Bay of Biscay.

• Gofas, S.; Le Renard, J.; Bouchet, P. (2001). Mollusca, in: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels, 50: pp. 180–213
• Sysoev A.V. (2014). Deep-sea fauna of European seas: An annotated species check-list of benthic invertebrates living deeper than 2000 m in the seas bordering Europe. Gastropoda. Invertebrate Zoology. Vol.11. No.1: 134–155
• Hoffman, L.; Gofas, S.; Freiwald, A. (2020). A large biodiversity of "skeneimorph" (Gastropoda: Vetigastropoda) species from the South Azorean Seamount Chain, with the description of seventeen new species. Iberus. 38 (supplement 9): 1–82

• Warén A. (1992). New and little known "Skeneimorph" gastropods from the Mediterranean Sea and the adjacent Atlantic Ocean. Bollettino Malacologico 27(10-12): 149–248