''Raphitoma striolaris'' is an extinct
species
In biology, a species is the basic unit of Taxonomy (biology), classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of ...
of
sea snail, a marine
gastropod mollusc in the
family
Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Idea ...
Raphitomidae
Raphitomidae is a family of small to medium-sized sea snails, marine gastropod mollusks in the superfamily Conoidea.Bouchet P. & Rocroi J.-P. (Ed.) (2005). "Classification and nomenclator of gastropod families". '' Malacologia'' 47(1-2). . 3 ...
.
MNHN, Paris: ''Raphitoma striolaris''
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Description
The length of the shell attains 11 mm.
Spire scalariform; whorls separated by a deep, undulating suture; subsutural ramp adorned with whitish commas (''« albo-virgulatae »'' in Monterosato); sculpture made of few, sharp, raised spiral ridges running upon even fewer radial costae, giving the shell a clathrate appearance. Shallow water, north of the harbor, east of the bridge, along the Avenue des Étangs, Frontignan-plage, Occitania. Original picture provided by J. Renoult for iNaturalist (CC BY-NC).
Distribution
Fossils of this extinct marine species were found in Eocene
The Eocene ( ) Epoch is a geological epoch that lasted from about 56 to 33.9 million years ago (mya). It is the second epoch of the Paleogene Period in the modern Cenozoic Era. The name ''Eocene'' comes from the Ancient Greek (''ēṓs'', " ...
strata in France
France (), officially the French Republic ( ), is a country primarily located in Western Europe. It also comprises of overseas regions and territories in the Americas and the Atlantic, Pacific and Indian Oceans. Its metropolitan ar ...
.
References
* 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
Natural History Museum, Rotterdam: Raphitoma striolaris
striolaris
Gastropods described in 1837
{{Raphitomidae-stub