Gérard Paul Deshayes was a French geologist and conchologist.
Knefastia polygona is an extinct species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae, the turrids and allies.
Hemiconus disjunctus is an extinct species of sea snail, a marine gastropod mollusk, in the family Conidae, the cone snails and their allies.
Hemiconus granatinus is an extinct species of sea snail, a marine gastropod mollusk, in the family Conidae, the cone snails and their allies.
Hemiconus turbinopsis is an extinct species of sea snail, a marine gastropod mollusk, in the family Conidae, the cone snails and their allies.
Amblyacrum dameriacense is an extinct species of sea snail, a marine gastropod mollusc in the family Mangeliidae.
Trophonopsis sublamellosa is an extinct species of sea snail, a marine gastropod mollusk in the family Muricidae, the murex snails or rock snails.
Vexillum aizyense is an extinct species of sea snail, a marine gastropod mollusk, in the family Costellariidae, the ribbed miters.
Vexillum barbieri is an extinct species of sea snail, a marine gastropod mollusk, in the family Costellariidae, the ribbed miters.
Vexillum extraneum is an extinct species of sea snail, a marine gastropod mollusk, in the family Costellariidae, the ribbed miters.
Voluta hornesi is an extinct species of sea snail, a marine gastropod mollusk in the family Volutidae, the volutes.
Voluta wateleti is an extinct species of sea snail, a marine gastropod mollusk in the family Volutidae, the volutes.
Voluta quinqueplicata is an extinct species of sea snail, a marine gastropod mollusk in the family Volutidae, the volutes.
Turricula brevicauda is an extinct species of sea snail, a marine gastropod mollusk in the family Clavatulidae.
Melanopsis fossilis is an extinct species of sea snail, a freshwater gastropod mollusk in the family Melanopsidae.
Turricula michelini is an extinct species of sea snail, a marine gastropod mollusk in the family Clavatulidae.
Turricula vaudini is an extinct species of sea snail, a marine gastropod mollusk in the family Clavatulidae.
Turricula textiliosa is an extinct species of sea snail, a marine gastropod mollusk in the family Clavatulidae.
Volvarina cylindracea is an extinct species of sea snail, a marine gastropod mollusk in the family Marginellidae, the margin snails.
Zonitoides apneus is an extinct species of small, air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Gastrodontidae.
