''Egila'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

of small

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 ...

s, 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 ...

s 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 ...

Pyramidellidae Pyramidellidae, common name the pyram family, or pyramid shells, is a voluminous taxonomic family of mostly small and minute ectoparasitic sea snails, marine heterobranch gastropod molluscs. The great majority of species of pyrams are micromol ...

, the pyrams and their allies.MolluscaBase eds. (2020). MolluscaBase. Egila Dall & Bartsch, 1904. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=456400 on 2020-10-29 This genus was previously placed in the tribe

Chrysallidini Chrysallidinae is a taxonomic group of very small sea snails, marine gastropod mollusk in the family Pyramidellidae, the pyrams and their allies. Taxonomy Chrysallidinae has been one of eleven recognized subfamilies of the gastropod family Py ...

of the

Odostomiidae Odostomiinae, ''Odostomia'' snails and their allies, is a taxonomic subfamily of minute parasitic sea snails. These are marine heterobranch gastropod mollusks, or micromollusks, in the family Pyramidellidae. Taxonomy The subfamily Odostomiinae ...

. It has both extant and fossil (

Cenozoic The Cenozoic Era ( ; ) is Earth's current geological era, representing the last 66million years of Earth's history. It is characterized by the dominance of mammals, insects, birds and angiosperms (flowering plants). It is the latest of three g ...

) members.

Life habits

Little is known about the biology of the members of this genus. As is true of most members of the

sensu lato ''Sensu'' is a Latin word meaning "in the sense of". It is used in a number of fields including biology, geology, linguistics, semiotics, and law. Commonly it refers to how strictly or loosely an expression is used in describing any particular co ...

'', they are most likely to be

ectoparasite Parasitism is a Symbiosis, close relationship between species, where one organism, the parasite, lives (at least some of the time) on or inside another organism, the Host (biology), host, causing it some harm, and is Adaptation, adapted str ...

Species

Species within the genus ''Egila'' include: * † '' Egila arcuata'' Laws, 1941 * '' Egila australis'' Laseron, 1959 * '' Egila curtisensis'' Laseron, 1959 * '' Egila ektopa'' Pimenta & Absalão, 2004 * '' Egila lacunata'' (Carpenter, 1857) - type species, as ''Odostomia'' (''Parthenia'') ''lacunata'' * '' Egila poppei'' (Dall & Bartsch, 1909) * '' Egila univestis'' Laseron, 1959 * '' Egila virginiae'' van Regteren Altena, 1975Rosenberg, G. (2010). ''Egila virginiae'' Altena, 1975. In: Bouchet, P.; Gofas, S.; Rosenberg, G. (2010) World Marine Mollusca database. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=532789 on 2011-03-22 ;Species brought into synonymy: * ''Egila articulata'' (Hedley, 1909) : synonym of '' Besla articulata'' (Hedley, 1909) * ''Egila mayii'' (Tate, 1898): synonym of '' Chrysallida mayii'' (Tate, 1898) * ''Egila spiralis'' Laseron, 1959 : synonym of '' Chrysallida spiralis'' (Laseron, 1959) * ''Egila typica'' Laseron, 1959 : synonym of '' Parthenina typica'' (Laseron, 1959) (original combination) The species of ''Egila'' from Brazil have been reviewed by Piementa & Absalão (2004).PDF
.

References

* Robba E. (2013) Tertiary and Quaternary fossil pyramidelloidean gastropods of Indonesia. Scripta Geologica 144: 1-191 {{Taxonbar, from=Q5348017 Pyramidellidae