Ptychatractidae

Ptychatractidae is a taxonomic family of sea snails, marine gastropod mollusks in the superfamily Turbinelloidea.^{[1] [2]}

Ptychatractidae
Exilia vagrans
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Caenogastropoda
Order:	Neogastropoda
Superfamily:	Turbinelloidea
Family:	Ptychatractidae Stimpson, 1865

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^[3]
• Exilia Conrad, 1860^[4]
• Exilioidea Grant & Gale, 1931^[5]
• Metzgeria Norman, 1879^[6]
• Ptychatractus Stimpson, 1865^[7]
• Latiromitra Locard, 1897^[8] - In 2010 Latiromitra has been found to be closely related to Costellariidae in the molecular phylogeny analysis by Fedosov & Kantor (2010).^[9]

Genera brought into synonymy

• Benthovoluta Kuroda & Habe, 1950: synonym of Exilia Conrad, 1860
• Chathamidia Dell, 1956: synonym of Exilia Conrad, 1860
• Cyomesus Quinn, 1981: synonym of Latiromitra Locard, 1897
• † Graphidula Stephenson, 1941: synonym of Exilia Conrad, 1860
• Meyeria Dunker & Metzger, 1874: synonym of Metzgeria Norman, 1879
• Mitraefusus Bellardi, 1873: synonym of Exilia Conrad, 1860
• Okinawavoluta Noda, 1980: synonym of Latiromitra Locard, 1897
• † Palaeorhaphis Stewart, 1927 : synonym of Exilia Conrad, 1860
• Phenacoptygma Dall, 1918: synonym of Exilia Conrad, 1860
• Surculina Dall, 1908: synonym of Exilia Conrad, 1860
• † Zexilia Finlay, 1926 : synonym of Exilia Conrad, 1860

References

1. 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
2. Bouchet, P. & Rocroi, J.-P. (2005). "Classification and Nomenclator of Gastropod Families". Malacologia. 47 (1–2).
3. WoRMS (2010). Egestas Finlay, 1926. 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=450522 on 2010-12-25
4. Kantor, Y. (2010). Exilia Conrad, 1860. 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=456412 on 2010-12-25
5. Kantor, Y. (2010). Exilioidea. 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=415384 on 2010-12-25
6. Kantor, Y.; Gofas, S. (2010). Metzgeria Norman, 1879. 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=138602 on 2010-12-25
7. Kantor, Y. (2010). Ptychatractus Stimpson, 1865. 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=160034 on 2010-12-25
8. Kantor, 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
9. Fedosov A. E. & Kantor Yu. I. (2010). " . [Evolution of carnivorous gastropods of the family Costellariidae (Neogastropoda) in the framework of molecular phylogeny]". Ruthenica 20(2): 117-139. PDF

External links

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