Bourgetia†Bourgetia is an extinct genus of fossil sea snails, marine gastropod mollusks in the family Pseudomelaniidae.SpeciesSpecies within the genus Bourgetia include:Bourgetia saemanni - synonyms: Melania striata Sowerby; Phasianella striata Sowerby; Phasianella sämanni Oppel; Bourgetia striata Sowerby