''Daphnella eocaenica '' is an extinct

species A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), ...

sea snail Sea snails are slow-moving marine (ocean), marine gastropod Mollusca, molluscs, usually with visible external shells, such as whelk or abalone. They share the Taxonomic classification, taxonomic class Gastropoda with slugs, which are distinguishe ...

, a marine

gastropod Gastropods (), commonly known as slugs and snails, belong to a large Taxonomy (biology), taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, freshwater, and fro ...

mollusk Mollusca is a phylum of protostomic invertebrate animals, whose members are known as molluscs or mollusks (). Around 76,000 extant species of molluscs are recognized, making it the second-largest animal phylum after Arthropoda. The ...

in the

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

Raphitomidae Raphitomidae is a Family (biology), family of small to medium-sized sea snails, marine (ocean), marine gastropod mollusks in the superfamily Conoidea.Bouchet P. & Rocroi J.-P. (Ed.) (2005). "Classification and nomenclator of gastropod families" ...

.MNHN, Paris: Daphnella (s. str.) eocaenica Cossmann, 1896
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Distribution

Fossils of this marine species were found in

Eocene The Eocene ( ) is a geological epoch (geology), epoch that lasted from about 56 to 33.9 million years ago (Ma). It is the second epoch of the Paleogene Period (geology), Period in the modern Cenozoic Era (geology), Era. The name ''Eocene'' comes ...

strata of

Loire-Atlantique Loire-Atlantique (; Gallo language, Gallo: ''Louére-Atantique''; ; before 1957: ''Loire-Inférieure'', ) is a departments of France, department in Pays de la Loire on the west coast of France, named after the river Loire and the Atlantic Ocean. ...

, France.

References

* Cossmann (M.), 1896 ''Essais de Paléoconchologie comparée'' (2ème livraison), p. 1-179 * Cossmann (M.), 1896 ''Mollusques éocèniques de la Loire-Inférieure. Tome 1, fascicule 2.'' Bulletin de la Société des Sciences Naturelles de l'Ouest de la France, t. 6, vol. 4, p. 180-246 eocaenica Gastropods described in 1896 {{paleo-Daphnella-stub