classification: | Mollusca → Gastropoda → Caenogastropoda → Littorinimorpha → Rissooidea → Rissoidae → Alvania → Alvania geryonia | ||||||
nr: | 0174 | taxon: | Alvania geryonia | author: | (Nardo, 1847) | ||
data: | Italy. Sardinia. 3 mm. | chronology: | recent | marinespecies.org: | open url |