''Enigmaticolus desbruyeresi'' is a

species In biology, a species is the basic unit of 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 the appropriate s ...

sea snail Sea snail is a common name for slow-moving marine gastropod molluscs, usually with visible external shells, such as whelk or abalone. They share the taxonomic class Gastropoda with slugs, which are distinguished from snails primarily by the ...

, a marine

gastropod The gastropods (), commonly known as snails and slugs, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, from freshwater, and from land. T ...

mollusk Mollusca is the second-largest phylum of invertebrate animals after the Arthropoda, the members of which are known as molluscs or mollusks (). Around 85,000 extant species of molluscs are recognized. The number of fossil species is e ...

in the

family Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...

Eosiphonidae The Eosiphonidae are a taxonomic family of large sea snails, often known as whelks and the like.MolluscaBase eds. (2022). MolluscaBase. Eosiphonidae Kantor, Fedosov, Kosyan, Puillandre, Sorokin, Kano, R. Clark & Bouchet, 2021. Accessed through ...

, the true whelks and their allies.

Description

Easily distinguishable from all other

Enigmaticolus ''Enigmaticolus'' is a genus of sea snails, marine gastropod mollusks in the family Eosiphonidae The Eosiphonidae are a taxonomic family of large sea snails, often known as whelks and the like.MolluscaBase eds. (2022). MolluscaBase. Eosipho ...

species by the complete lack of a subsutural ramp. Also exhibits weak spiral cords on the base.

Distribution

Found in

hydrothermal vents A hydrothermal vent is a fissure on the seabed from which geothermally heated water discharges. They are commonly found near volcanically active places, areas where tectonic plates are moving apart at mid-ocean ridges, ocean basins, and hotspot ...

in Manus, North Fiji, and Lau basins in the southwestern Pacific and off Luzon, Philippines. Individuals have been known to live 1456–2750 m deep.

References

{{DEFAULTSORT:Enigmaticolus Desbruyeresi Eosiphonidae Gastropods described in 1993