''Ptychotrema'' is a genus of air-breathing

land snail A land snail is any of the numerous species of snail that live on land, as opposed to the sea snails and freshwater snails. ''Land snail'' is the common name for terrestrial gastropod mollusks that have shells (those without shells are known as ...

s, terrestrial

pulmonate Pulmonata or pulmonates, is an informal group (previously an order, and before that a subclass) of snails and slugs characterized by the ability to breathe air, by virtue of having a pallial lung instead of a gill, or gills. The group includ ...

gastropod The gastropods (), commonly known as snails and slugs, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda (). This class comprises snails and slugs from saltwater, from freshwater, and from land. T ...

mollusks in the subfamily Enneinae of the family

Streptaxidae Streptaxidae is a family of carnivorous air-breathing land snails, terrestrial pulmonate gastropod mollusks in the clade Stylommatophora. Six Streptaxidae subfamilies are accepted in the 2005 taxonomy of the Gastropoda by Bouchet & Rocroi. Stre ...

. MolluscaBase eds. (2022). MolluscaBase. Ptychotrema L. Pfeiffer, 1853. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=996769 on 2022-03-01

Distribution

The distribution of the genus ''Ptychotrema'' is

Afrotropical The Afrotropical realm is one of Earth's eight biogeographic realms. It includes Africa south of the Sahara Desert, the majority of the Arabian Peninsula, the island of Madagascar, southern Iran and extreme southwestern Pakistan, and the island ...

, and includes:Sutcharit C., Naggs F., Wade C. M., Fontanilla I. & Panha S. (2010). "The new family Diapheridae, a new species of ''Diaphera'' Albers from Thailand, and the position of the Diapheridae within a molecular phylogeny of the Streptaxoidea (Pulmonata: Stylommatophora)". '' Zoological Journal of the Linnean Society'' 160: 1-16. . * UgandaWronski T. & Hausdorf B. (2010). "Diversity and body-size patterns of land snails in rain forests in Uganda". '' Journal of Molluscan Studies'' 76(1): 87-100. .

Species

Species within the genus ''Ptychotrema'' include: * '' Ptychotrema mazumbiensis'' Tattersfield, 1999 * '' Ptychotrema usambarense'' Verdcourt ? subgenus ''

Ennea ''Ennea'' was the second album by jazz-rock band Chase. It did not repeat the commercial success of their debut album ''Chase''. The original lineup from the first album was changed midway through the recording sessions, with Gary Smith taking ...

'' * ''Ptychotrema'' (''Ennea'') ''bequaerti'' (Dautzenberg & Germain, 1914) * ''Ptychotrema'' (''Ennea'') ''fraterculus'' Pilsbry, 1919 * ''Ptychotrema'' (''Ennea'') ''paradoxulum'' (Martens, 1895) * ''Ptychotrema'' (''Ennea'') ''pollonerae'' Preston, 1913 * ''Ptychotrema'' (''Ennea'') ''silvaticum'' Pilsbry, 1919 subgenus '' Haplonepion'' Pilsbry, 1919Pilsbry H. A. (1919). "A review of the land mollusks of the Belgian Congo chiefly based on the collection of the American Museum Congo Expedition, 1909–1915". '' Bulletin of the American Museum of Natural History'' 40(1): 1-370. page 200-201. * ''Ptychotrema'' (''Haplonepion'') ''geminatum'' (Martens, 1895) * ''Ptychotrema'' (''Haplonepion'') ''runsoranum'' (Martens, 1892) ? subgenus ''

Parennea ''Parennea'' is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Streptaxidae. Distribution The distribution of the genus ''Parennea'' is Afrotropical The Afrotropical realm is one of Earth' ...

'' * Ptychotrema (''Parennea'') aequatoriale Pilsbry, 1919 * ''Ptychotrema'' (''Parennea'') ''cossyphae'' van Bruggen, 1989 * ''Ptychotrema'' (''Parennea'') ''goossensi'' (Adam & van Goethem, 1978) * ''Ptychotrema'' (''Parennea'') ''kerereense'' (Adam & van Goethem, 1978) * ''Ptychotrema'' (''Parennea'') ''kigeziense'' (Preston, 1913) * ''Ptychotrema'' (''Parennea'') ''pelengeense'' (Adam & van Goethem, 1978)

Distribution

Species

References

Further reading