Ptychatractidae is a taxonomic family of sea snails, marine gastropod mollusks in the superfamily Pseudolivoidea.
According to the taxonomy of the Gastropoda by Bouchet & Rocroi (2005), the family Ptychatractidae has no subfamilies.
Genera in the family Ptychatractidae include:
Ceratoxancus Kuroda, 1952
Egestas Finlay, 1926
Exilia Conrad, 1860
Exilioidea Grant & Gale, 1931
Latiromitra Locard, 1897 - In 2010 Latiromitra has been found to be closely related to Costellariidae in the molecular phylogeny analysis by Fedosov & Kantor (2010).
Metzgeria Norman, 1879
Ptychatractus Stimpson, 1865
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
