''Vexillum extraneum'' 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), ...
of
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 ...
Costellariidae
Costellariidae sometimes called the "ribbed miters" is a Taxonomy (biology), taxonomic family (biology), family of minute to medium-sized predatory sea snails, marine (ocean), marine gastropod mollusks.
This family of snails is also sometimes re ...
, the ribbed miters.
[
MolluscaBase eds. (2023). MolluscaBase. Vexillum extraneum (Deshayes, 1865) †. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1571451 on 2023-03-01]
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 in
Picardy
Picardy (; Picard language, Picard and , , ) is a historical and cultural territory and a former regions of France, administrative region located in northern France. The first mentions of this province date back to the Middle Ages: it gained it ...
, France.
References
* Cossmann (M.), 1899 - Essais de Paléoconchologie comparée. livraison 3, p. 1-201
* Cossmann (M.) & Pissarro (G.), 1911 - Iconographie complète des coquilles fossiles de l'Éocène des environs de Paris, t. 2, p. pl. 26-45
* Le Renard, J. & Pacaud, J. (1995). Révision des mollusques Paléogènes du Bassin de Paris. II. Liste des références primaires des espèces. Cossmanniana. 3: 65–132.
External links
Deshayes, G. P. (1864-1865). Description des animaux sans vertèbres découverts dans le bassin de Paris pour servir de supplément à la Description des coquilles fossiles des environs de Paris comprenant une revue générale de toutes les espèces actuellement connues. Tome troisiéme. Mollusques céphalés, deuxième partie. Mollusques céphalopodes. 1-667, pls 63-107. Paris, Baillière
extraneum
Gastropods described in 1865
{{Costellariidae-stub