Alvania bonneti is an extinct species of minute sea snail, a marine gastropod mollusc or micromollusk in the family Rissoidae.MolluscaBase eds. (2024). MolluscaBase. Alvania bonneti Cossmann, 1921 †. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=881471 on 2024-01-31
Description
The length of the shell attains 2 mm, its diameter is 1 mm. Distribution Fossils of this species were found in Eocene strata in Picardy, France.
References
External links Cossmann, M. (1921). Essais de paléoconchologie comparée. Douzième livraison. Paris: [the author]. 349 pp., plates A-D, 1-6.