Gibborissoia
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Caenogastropoda
Family:	Litiopidae
Genus:	Gibborissoia Sacco, 1899
Synonyms
List Alaba (Gibborissoa) Cossmann, 1921 Alaba (Gibborissoia) Sacco, 1895 Gibborissoa Cossmann, 1921 †Littorina (Touzinia) Cossmann, 1916 †Rissoa (Alaba)

Gibborissoia is a genus of sea snails, marine gastropod mollusks in the family Litiopidae.^[1]

The following species are recognised in the genus Gibborissoia:

• † Gibborissoia angulosa Landau, Harzhauser, İslamoğlu & Silva, 2013
• †Gibborissioa denudata (Hilber, 1879)
• † Gibborissoia inexpectata Harzhauser, 2014
• † Gibborissoia morgani (Cossmann & Peyrot, 1918)
• † Gibborissoia varicosa (Basterot, 1825)
• Gibborissoia virgata (R. A. Philippi, 1849)

Synonyms

• † Gibborissoia costellata (Grateloup, 1828): synonym of † Gibborissoia varicosa (Basterot, 1825)
• Gibborissoia mirabilis Hornung & Mermod, 1926: synonym of Gibborissoia virgata (R. A. Philippi, 1849)
• †Gibborissoia prevostina (Basterot, 1825): synonym of † Littorinopsis prevostina (Basterot, 1825): synonym of † Littoraria (Littorinopsis) prevostina (Basterot, 1825) represented as † Littoraria prevostina (Basterot, 1825)

• Sacco, F. (1895). I Molluschi dei terreni terziarii del Piemonte e della Liguria. Parte XVIII. (Melaniidae, Littorinidae, Fossaridae, Rissoidae, Hydrobiidae, Paludinidae e Valvatidae). Torino: Carlo Clausen. pp. 1–51.
• Cossmann, M. (1921). Essais de paléoconchologie comparée. Douzième livraison. Paris: the author. pp. 1–349. Retrieved 6 July 2024.