Coptocheilus

Coptocheilus is a genus of land snails with an operculum, terrestrial gastropod mollusks in the subfamily Pupinellinae of the family Pupinidae.^[1]

Coptocheilus
Coptocheilus anostomus
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Caenogastropoda
Order:	Architaenioglossa
Superfamily:	Cyclophoroidea
Family:	Pupinidae
Genus:	Coptocheilus Gould, 1862
Type species
Cyclostoma altum G. B. Sowerby I, 1842
Synonyms[1]
Coptochilus F. Sandberger, 1871 (invalid: unjustified emendation of Coptocheilus and junior homonym of Coptochilus Amyot & Serville, 1843 [Hemiptera].) Megalomastoma (Coptochilus) F. Sandberger, 1871 Pinteria Varga, 1972 Schistoloma Kobelt, 1902 (unnecessary replacement name) Schistoloma (Hololoma) Bartsch, 1915 Schistoloma (Schistoloma) Kobelt, 1902

Description

(Original description in Latin) The acute shell is chrysalis-shaped and narrowly perforate. It displays a chestnut-brown color. The aperture appears almost disjoint from the spire and features a more or less double peristome, where the inner lamella is incised posteriorly. The operculum is horny, multispiral, circular, and flattened. ^[2]

Species

Species within the genus Coptocheilus include:

• Coptocheilus altus (G. B. Sowerby I, 1842)
• Coptocheilus anostomus (Benson, 1852)
• Coptocheilus chinensis (L. Pfeiffer, 1857)
• Coptocheilus cochinchinensis (Rochebrune, 1882)
• Coptocheilus doriae (Issel, 1874)
• † Coptocheilus electrothauma (Asato & Hirano in Hirano et al., 2019)
• Coptocheilus funiculalus (Benson, 1838)
• Coptocheilus inermis Bavay & Dautzenberg, 1909
• Coptocheilus leferi (Morelet, 1861)
• Coptocheilus longyanensis (W.-C. Zhou, W.-H. Zhang & D.-N. Chen, 2009)
• Coptocheilus maunautim C. T. Bui & Páll-Gergely, 2020
• Coptocheilus maydelineae (Páll-Gergely, P.K. Nguyen & Y. Chen, 2019)
• Coptocheilus mcgregori Bartsch, 1909
• Coptocheilus messageri Bavay & Dautzenberg, 1909
• Coptocheilus quadrasi (Hidalgo, 1890)
• Coptocheilus sectilabris (A. Gould, 1844)
• Coptocheilus sumatranus Dohrn, 1881
• † Coptocheilus supracretaceus (Tausch, 1886)
• Coptocheilus tanychilus (Godwin-Austen, 1876)
• Coptocheilus yangi Z.-Y. Chen, 2021

Species brought into synonymy

• Coptocheilus altum (G. B. Sowerby I, 1842): synonym of Coptocheilus altus (G. B. Sowerby I, 1842) (incorrect gender ending for Coptocheilus altus (G. B. Sowerby I, 1842))
• Coptocheilus pauperculus (G. B. Sowerby I, 1850): synonym of Coptocheilus funiculalus (Benson, 1838) (unaccepted > junior subjective synonym)
• Coptocheilus perakensis Fulton, 1903: synonym of Schistoloma sumatranum (Dohrn, 1881): synonym of Coptocheilus sumatranus Dohrn, 1881 (junior synonym)