Ptychatractidae
Encyclopedia
Ptychatractidae is a taxonomic family
Family (biology)
In biological classification, family is* a taxonomic rank. Other well-known ranks are life, domain, kingdom, phylum, class, order, genus, and species, with family fitting between order and genus. As for the other well-known ranks, there is the option of an immediately lower rank, indicated by the...

 sea snail
Snail
Snail is a common name applied to most of the members of the molluscan class Gastropoda that have coiled shells in the adult stage. When the word is used in its most general sense, it includes sea snails, land snails and freshwater snails. The word snail without any qualifier is however more often...

s, marine gastropod mollusks.

Taxonomy

According to the taxonomy of the Gastropoda by Bouchet & Rocroi (2005)
Taxonomy of the Gastropoda (Bouchet & Rocroi, 2005)
The taxonomy of the Gastropoda as it was revised by Philippe Bouchet and Jean-Pierre Rocroi is currently the most up-to-date overall system for classifying gastropod mollusks...

 the family Ptychatractidae has no subfamilies.

Genera

Genera in the family Ptychatractidae include:
  • Ceratoxancus
    Ceratoxancus
    Ceratoxancus is a genus of sea snails, marine gastropod mollusks in the family Ptychatractidae.-Species:Species within the genus Ceratoxancus include:* Ceratoxancus basileus Kantor & Bouchet, 1997* Ceratoxancus elongatus Sakurai, 1958...

    Kuroda, 1952
  • Egestas Finlay, 1926
  • Exilia
    Exilia
    Exilia is an Italian nu metal band. They combine elements of alternative metal, rock, and hard rock in their music.-History:Exilia formed in 1993 in Milan, Italy, when Masha met guitarist Elio Alien....

    Conrad, 1860
  • Exilioidea
    Exilioidea
    Exilioidea is a genus of sea snails, marine gastropod mollusks in the family Ptychatractidae.-Species:Species within the genus Exilioidea include:* Exilioidea atlantica Bouchet & Warén, 1988* Exilioidea costulata Bouchet et Warén, 1988...

    Grant & Gale, 1931
  • Latiromitra
    Latiromitra
    Latiromitra is a genus of sea snails, marine gastropod mollusks in the family Ptychatractidae.-Species:Species within the genus Latiromitra include:* Latiromitra aratiuncula * Latiromitra barthelowi...

    Locard, 1897 - In 2010 Latiromitra has been found to be closely related to Costellariidae
    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...

     in the molecular phylogeny analysis by Fedosov & Kantor (2010).
  • Metzgeria
    Metzgeria
    Metzgeria is a genus of thalloid liverworts in the family Metzgeriaceae. The genus was named in honor of Johann Christian Metzger, former director of the Heidelberg Botanical Garden....

    Norman, 1879
  • Ptychatractus
    Ptychatractus
    Ptychatractus is a genus of sea snails, marine gastropod mollusks in the family Ptychatractidae.-Species:Species within the genus Ptychatractus include:* Ptychatractus ligatus...

    Stimpson, 1865
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