''Turricula lirocostata'' 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 ...

Clavatulidae Clavatulidae is a Taxonomy (biology), taxonomic family (biology), family of sea snails, marine gastropod mollusks in the superfamily Conoidea. The family is not well differentiated morphologically. Clavatulidae was raised, based on cladistic an ...

.MNHN, Paris: Turricula lirocostata
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Distribution

Fossils of this marine species were found in

Pliocene The Pliocene ( ; also Pleiocene) is the epoch (geology), epoch in the geologic time scale that extends from 5.33 to 2.58Karaikal Karaikal (, , Help:IPA/French, /kaʁikal/) is a port city of the Indian States and territories of India, Union Territory of Puducherry (union territory), Puducherry. It is the administrative headquarters of the Karaikal district, Karaikal Di ...

, India

References

* Cossmann (M.), 1899 - Essais de Paléoconchologie comparée. livraison 3, p. 1-201 * Cossmann (M.), 1903 - Faune pliocènique de Karikal (Inde française). Journal de Conchyliologie, t. 51, vol. 2, p. 105-173 lirocostata Gastropods described in 1899 {{paleo-gastropod-stub