Chilodontaidae is a

taxonomic 280px, Generalized scheme of taxonomy Taxonomy is a practice and science concerned with classification or categorization. Typically, there are two parts to it: the development of an underlying scheme of classes (a taxonomy) and the allocation ...

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 ...

of mostly small deepwater

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 ...

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

s in the clade

Vetigastropoda Vetigastropoda is a major taxonomic group of sea snails, marine gastropod mollusks that form a very ancient lineage. Taxonomically the Vetigastropoda are sometimes treated as an order, although they are treated as an unranked clade in Bouch ...

(according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005).

Taxonomy

The family was previously in the superfamily

Neritoidea Neritoidea is a Taxonomy (biology), taxonomic Taxonomic rank, superfamily of mostly sea snails, nerites and their allies, marine (ocean), marine gastropod mollusc, mollusks in the order Cycloneritida (according to the Taxonomy of the Gastropoda ( ...

in the order Neritopsina and the superorder Neritaemorphi.

2005 taxonomy

This family consists of three following subfamilies (according to the taxonomy of the Gastropoda by Bouchet & Rocroi, 2005): * Chilodontainae Wenz, 1938 * Calliotropinae Hickman & McLean, 1990 * Cataeginae McLean & Quinn, 1987

2007 taxonomy

molecular phylogeny Molecular phylogenetics () is the branch of phylogeny that analyzes genetic, hereditary molecular differences, predominantly in DNA sequences, to gain information on an organism's evolutionary relationships. From these analyses, it is possible to ...

-based taxonomy of the Seguenzioidea was published by Kano (2007).Kano Y. (2007). "Vetigastropod phylogeny and a new concept of Seguenzioidea: independent evolution of copulatory organs in the deep-sea habitats". ''

Zoologica Scripta ''Zoologica Scripta'' is a bimonthly peer-reviewed scientific journal on systematic zoology, published by Wiley-Blackwell on behalf of the Norwegian Academy of Science and Letters and the Royal Swedish Academy of Sciences. It was established in 197 ...

'' 37(1): 1–21. It was proposed to rename the family Chilodontidae Wenz, 1938 as "Chilodontaidae" because it was a homonym of the fish family "Chilodontidae" Eigenmann, 1912, but a 2024

ICZN The International Code of Zoological Nomenclature (ICZN) is a widely accepted convention in zoology that rules the formal scientific naming of organisms treated as animals. It is also informally known as the ICZN Code, for its formal author, t ...

ruling instead changed the name of the fish family to

Chilodidae The Chilodidae, or headstanders, are a small family of freshwater characiform fishes found in northern and central South America. This family is closely related to the family Anostomidae and is sometimes treated as a subfamily, Chilodinae, withi ...

, so the gastropod family is still to be kept as Chilodontidae.Opinion 2502 (Case 3555) – Chilodontidae Bronn, 1859 (Ciliophora), Chilodontinae Eigenmann, 1910 (Pisces, Characiformes) and Chilodontinae Wenz, 1938 (Mollusca, Gastropoda): homonymy between family-group names resolved. The Bulletin of Zoological Nomenclature 81(1): 133-136 (31 December 2024) doi:10.21805/bzn.v81.a025 The subfamilies Calliotropinae Hickman & McLean, 1990 and Cataeginae McLean & Quinn, 1987 were raised to family levels as the Calliotropidae and the Cataegidae.

Genera

Genera within the family Chilodontaidae include (according to the

World Register of Marine Species The World Register of Marine Species (WoRMS) is a taxonomic database that aims to provide an authoritative and comprehensive catalogue and list of names of marine organisms. Content The content of the registry is edited and maintained by scien ...

: * † '' Agathodonta'' Cosman, 1918 * '' Ascetostoma'' Herbert, 2012 * † '' Calliovarica'' H. Vokes, 1939 * '' Chilodonta'' Etallon, 1862 * '' Clypeostoma'' Herbert, 2012 * '' Danilia'' Brusina, 1865 * '' Dentistyla'' Dall, 1889 * '' Euchelus''

Philippi Philippi (; , ''Phílippoi'') was a major Greek city northwest of the nearby island, Thasos. Its original name was Crenides (, ''Krēnĩdes'' "Fountains") after its establishment by Thasian colonists in 360/359 BC. The city was renamed by Phili ...

, 1847 * '' Granata'' Cotton, 1957 * '' Herpetopoma''

Pilsbry Henry Augustus Pilsbry (7 December 1862 – 26 October 1957) was an American biologist, malacologist and carcinologist, among other areas of study. He was a dominant presence in many fields of invertebrate taxonomy for the better part of a cent ...

, 1889 * '' Hybochelus''

, 1889 * '' Mirachelus'' Woodring, 1928 * † '' Odontoturbo'' Loriol, 1887 * † '' Onkospira'' Zittel, 1873 * ''

Perrinia ''Perrinia'' is a genus of sea snails, marine (ocean), marine gastropod mollusks in the family (biology), family Chilodontaidae. This genus has a long time been regarded as a subgenus of ''Turcica'' H. & A. Adams, 1854. Previously it was conside ...

'' H. &

A. Adams Arthur Adams (1820 in Gosport, Hampshire – 1878) was an England, English physician and natural history, naturalist. Adams was assistant surgeon Royal Navy on board HMS Samarang (1822), HMS ''Samarang'' during the survey of the islands of ...

, 1854 * '' Pholidotrope'' Herbert, 2012 * '' Tallorbis'' G. Nevill & H. Nevill, 1869 * '' Vaceuchelus'' Iredale, 1929

Genera brought into synonymy

* ''Craspedotus'' Philippi, 1847: synonym of ''Danilia'' Brusina, 1865 * ''Heliciella'' O.G. Costa, 1861: synonym of ''Danilia'' Brusina, 1865 * ''Huttonia'' Kirk, 1882: synonym of ''Herpetopoma'' Pilsbry, 1890 * ''Nevillia'' H. Adams, 1868: synonym of '' Alcyna'' A. Adams, 1860 * ''Olivia'' Cantraine, 1835: synonym of ''Danilia'' Brusina, 1865

References

* Poppe G.T., Tagaro S.P. & Dekker H. (2006) The Seguenziidae, Chilodontidae, Trochidae, Calliostomatidae and Solariellidae of the Philippine Islands. Visaya Supplement 2: 1-228

External links

Photos of shells in Chilodontaidae

WoRMS
{{Taxonbar, from=Q55344471 Gastropod families