CeratoxancusCeratoxancus is a genus of sea snails, marine gastropod mollusks in the family Costellariidae.SpeciesSpecies within the genus Ceratoxancus include:Ceratoxancus basileus Kantor & Bouchet, 1997Ceratoxancus elongatus Sakurai, 1958Ceratoxancus leios Kantor & Bouchet, 1997Ceratoxancus lorenzi Poppe, Tagaro & Sarino, 2012Ceratoxancus melichrous Kantor & Bouchet, 1997Ceratoxancus niveus Kantor & Bouchet, 1997Ceratoxancus teramachii Kuroda, 1952ClassificationBiota > Animalia > Mollusca > Gastropoda > Caenogastropoda > Neogastropoda > Turbinelloidea > Costellariidae > Ceratoxancus