Ptychatractidae 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 ...

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 superfamily Turbinelloidea.Kantor, Y. (2014). Ptychatractidae Stimpson, 1865. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=411810 on 2014-12-12

Taxonomy

According to the taxonomy of the Gastropoda by Bouchet & Rocroi (2005), the family Ptychatractidae has no subfamilies.

Genera

Genera in the family Ptychatractidae include: * '' Egestas'' Finlay, 1926 * ''

Exilia Exilia is an Italian nu metal band from Milan. It was formed in 1998 and as of 2022 is composed of vocalist Masha Mysmane, guitarist Wolve, bassist Simone Matteo Tiraboschi, and drummer Mark Campailla. They have played with a number of bands w ...

'' Conrad, 1860 * '' Exilioidea'' Grant & Gale, 1931 * '' Metzgeria'' Norman, 1879 * '' Ptychatractus'' Stimpson, 1865 * '' Latiromitra'' Locard, 1897Kantor, Y.; Gofas, S. (2010). Latiromitra Locard, 1897. 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=138601 on 2010-12-25 - In 2010 ''Latiromitra'' has been found to be closely related to

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 ...

in the molecular phylogeny analysis by Fedosov & Kantor (2010).Fedosov A. E. & Kantor Yu. I. (2010). " . volution of carnivorous gastropods of the family Costellariidae (Neogastropoda) in the framework of molecular phylogeny. ''Ruthenica'' 20(2): 117-139
PDF
/ref> ;Genera brought into synonymy: * ''Benthovoluta'' Kuroda & Habe, 1950: synonym of ''

'' Conrad, 1860 * ''Chathamidia'' Dell, 1956: synonym of ''

'' Conrad, 1860 * ''Cyomesus'' Quinn, 1981: synonym of '' Latiromitra'' Locard, 1897 * † ''Graphidula'' Stephenson, 1941: synonym of ''

'' Conrad, 1860 * ''Meyeria'' Dunker & Metzger, 1874: synonym of '' Metzgeria'' Norman, 1879 * ''Mitraefusus'' Bellardi, 1873: synonym of ''

'' Conrad, 1860 * ''Okinawavoluta'' Noda, 1980: synonym of '' Latiromitra'' Locard, 1897 * † ''Palaeorhaphis'' Stewart, 1927 : synonym of ''

'' Conrad, 1860 * ''Phenacoptygma'' Dall, 1918: synonym of ''

'' Conrad, 1860 * ''Surculina'' Dall, 1908: synonym of ''

'' Conrad, 1860 * † ''Zexilia'' Finlay, 1926 : synonym of ''

'' Conrad, 1860

References

External links

Stimpson W. 1865. ''On certain genera and families of zoophagous gasteropods.'' American Journal of Conchology, 1: 55-64, pl. 8-9
{{Ptychatractidae-stub