Crassispira mausseneti is an extinct species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae, the turrids and allies.MNHN, Paris: Crassispira hypermeces
Description The length of the shell attains 5 mm and a diameter of 2 mm. It lived in marine environments.
"Small, short shell, with a conoid and obtuse apex, composed of slightly convex whorls, slightly excavated at the back, separated by a suture accompanied by a prominent and almost smooth rim, adorned with small curved ribs crenellating four prominent cords and giving the surface a rough appearance that persists on the last whorl; this is almost equal to half the length, attenuated at the base, which bears four or five smooth and spaced keels, crossed by fine and sinuous folds; opening small, rounded; canal wide and short, barely inflected."
Distribution Fossils have been found in Eocene strata in the Paris Basin, France.
References
Cossmann (M.), 1889 Catalogue illustré des coquilles fossiles de l'Éocène des environs de Paris (4ème fascicule). Annales de la Société royale Malacologique de Belgique, t. 24, p. 3-385 Cossmann (M.) & Pissarro (G.), 1913 Iconographie complète des coquilles fossiles de l'Éocène des environs de Paris, t. 2, p. pl. 46-65 Le Renard (J.) & Pacaud (J.-M.), 1995 Révision des Mollusques paléogènes du Bassin de Paris. 2 - Liste des références primaires des espèces. Cossmanniana, t. 3, vol. 3, p. 65-132
External links MNHN, Paris : Drillia (Crassispira) mausseneti Pacaud J.M. & Le Renard J. (1995). Révision des Mollusques paléogènes du Bassin de Paris. IV- Liste systématique actualisée. Cossmanniana. 3(4): 151-187