Ptychatractidae is a taxonomic

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

of sea snails, marine gastropod

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 ...

s in the superfamily

Turbinelloidea Turbinelloidea is a superfamily of sea snails in the order Neogastropoda. It comprises the following families:MolluscaBase (2018). Turbinelloidea Rafinesque, 1815. Accessed through: World Register of Marine Species at: http://www.marinespecies. ...

.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 a nu metal band from Milan, Italy. 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 whil ...

'' Conrad, 1860 * '' Exilioidea'' Grant & Gale, 1931 * ''

Metzgeria ''Metzgeria'' is a genus of thalloid liverworts in the family Metzgeriaceae. Taxonomy The genus was named in honor of Johann Metzger (1771–1844), a German copper engraver and art restorer from Staufen im Breisgau, in Baden-Württemberg, a fri ...

'' 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 taxonomic family of minute to medium-sized predatory sea snails, marine gastropod mollusks. This family of snails is also sometimes referred to as ''Vexillum'' miters. The main family ...

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
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/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 ''

'' 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