Giuseppe Antonio Risso, called Antoine Risso, was a Niçard naturalist.
Theba is a taxonomic genus of air-breathing land snails, medium-sized pulmonate gastropod mollusks in the family Helicidae, the true snails. Theba is the type genus of the tribe Thebini.
Vallonia is a genus of small air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Valloniidae.
Carychium tridentatum is a species of minute air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Ellobiidae.
Rumina is a genus of medium-sized predatory land snails, terrestrial pulmonate gastropod mollusks in the family Achatinidae.
Mangelia striolata is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae.
Mangelia costulata is a species of sea snail, a marine gastropod mollusk in the family Mangeliidae, the cone snails and their allies.
Aplus scaber is a species of sea snail, a marine gastropod mollusk in the family Pisaniidae.
Columbella mercatoria is a species of sea snail, a marine gastropod mollusk in the family Columbellidae, the dove snails.
Mitrella minor is a species of sea snail in the family Columbellidae, the dove snails.
Nassarius turulosus is a species of sea snail, a marine gastropod mollusk in the family Nassariidae, the Nassa mud snails or dog whelks.
Cyclope is a genus of sea snails, marine gastropod mollusks in the family Nassariidae, the Nassa mud snails or dog whelks.
Steromphala umbilicaris is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.
Phorcus is a genus of sea snails, marine gastropod mollusks in the family Trochidae, the top snails.
Euspira guilleminii is a species of predatory sea snail, a marine gastropod mollusk in the family Naticidae, the moon snails.
Trivia mediterranea is a species of small sea snail, a marine gastropod mollusk in the family Triviidae, the false cowries or trivias.
Alvania lineata is a species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoidae.
Duvaucelia is a genus of sea slugs, nudibranchs, shell-less marine gastropod molluscs in the family Tritoniidae. It was synonymised with Tritonia until 2020 when a revision of the family Tritoniidae brought it back into use.
Ferussacia is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Ferussaciidae.
Xeroleuca is a genus of air-breathing land snails, a pulmonate gastropod in the subfamily Helicellinae of the family family Geomitridae, the typical snails.
