Plekocheilus

Plekocheilus is a genus of air-breathing land snails, terrestrial pulmonate gastropod mollusks in the family Amphibulimidae.[2]

Plekocheilus
Apertual view of a shell of Plekocheilus euryomphalus.
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Gastropoda
(unranked):
clade Heterobranchia clade Euthyneura
clade Panpulmonata
clade Eupulmonata
clade Stylommatophora
informal group Sigmurethra
Superfamily:
Orthalicoidea
Family:
Amphibulimidae
Genus:
Plekocheilus

Diversity
67 species (in this list)

Distribution

This genus occurs in South America: Colombia,[3] Venezuela, Brazil and Ecuador.

Species

Species within the genus Plekocheilus include:

subgenus Aeropictus Weyrauch, 1967[2]

  • Plekocheilus calliostoma (Dohrn, 1882)[3]
  • Plekocheilus cathcartiae (Reeve, 1848)[2][3]
  • Plekocheilus delicatus (Pilsbry, 1935)[3]
  • Plekocheilus dissimulans (Preston, 1909)[2]
  • Plekocheilus guentheri (Sowerby III, 1892)[3]
  • Plekocheilus quadricolor (Pfeiffer, 1848)[2][3]
  • Plekocheilus succineoides (Petit de la Saussaye, 1840)[3] - synonym: Plekocheilus latilabris (Pfeiffer, 1855)[2][3]
    • subspecies Plekocheilus succineoides cleeforum Breure, 1977[3]
    • subspecies Plekocheilus succineoides zilchi Breure, 1977[2][3]
  • Plekocheilus tenuissimus Weyrauch, 1967[3]
  • Plekocheilus veranyi (Pfeiffer, 1848) - synonym: Bulimus scytodes Pfeiffer, 1853[2][3]

subgenus Eudolichotis Pilsbry, 1896[4][2]

  • Plekocheilus aurissciuri Guppy, 1866[2]
  • Plekocheilus dillwynianus (Pfeiffer, 1853)[2][3]
  • Plekocheilus distortus (Bruguière, 1789)[3] - in Brazil and Venezuela[5]
  • Plekocheilus euryomphalus (Jonas, 1844) - synonym: Plekocheilus otostomus (Pfeiffer, 1855),[2] - in Venezuela[5]
  • Plekocheilus glabra (Gmelin, 1791)[3]
  • Plekocheilus lacerta (Pfeiffer, 1855)[2]
  • Plekocheilus midas (Albers, 1852)[3]
  • Plekocheilus perdix (Pfeiffer, 1848)[2][3]
  • Plekocheilus sinuatus (Albers, 1854)[3]

subgenus Eurytus Albers, 1850[6][2]

  • Plekocheilus ampullaroides (Mousson, 1873)[3]
  • Plekocheilus argenteus (Jousseaume, 1900)[3]
  • Plekocheilus breweri Breure & Schlögl, 2010[7]
  • Plekocheilus bruggeni Breure, 1978[2]
  • Plekocheilus camaritagua Borrero & Breure, 2011[3]
  • Plekocheilus cardinalis (Pfeiffer, 1853)[3]
  • Plekocheilus castaneus (Pfeiffer, 1845)[2][3]
  • Plekocheilus coloratus (Nyst, 1845)[8][3] - synonym: Plekocheilus lamarckianus (Pfeiffer, 1848)[2]
  • Plekocheilus dalmasi (Dautzenberg, 1900)[8][3]
  • Plekocheilus doliarius (da Costa, 1898)[2][3]
  • Plekocheilus episcopalis (Pfeiffer, 1855)[2][3]
    • subspecies Plekocheilus episcopalis auriformis (Da Costa, 1904)[3] - synonym: Plekocheilus auriformis (da Costa, 1904)[2]
    • subspecies Plekocheilus episcopalis corticosus (Sowerby III, 1895)[2][3]
  • Plekocheilus eros (Angas, 1878)[2]
  • Plekocheilus gibbonius (Lea, 1838)[3]
  • Plekocheilus jimenezi (Hidalgo, 1872)[3]
  • Plekocheilus labiosus Borrero & Breure, 2011[3]
  • Plekocheilus lugubris (Dunker, 1882)[3]
  • Plekocheilus lynciculus (Deville & Huppé, 1850)[3]
  • Plekocheilus nachiyacu Pilsbry, 1939[3]
  • Plekocheilus nocturnus Pilsbry, 1939[3]
  • Plekocheilus paraguas Borrero & Breure, 2011[3]
  • Plekocheilus pentadinus (d’Orbigny, 1835) - synonym: Helix onca d’Orbigny, 1835[2]
  • Plekocheilus piperatoides Pilsbry, 1901[3]
  • Plekocheilus piperitus (Sowerby I, 1837)[2][3]
  • Plekocheilus pirriensis Dall, 1912[3]
  • Plekocheilus plectostylus (Pfeiffer, 1848)[2][3]
  • Plekocheilus pulicarius (Reeve, 1848)[2][3] - synonyms: Plekocheilus (Eurytus) virgatus (Pilsbry, 1935); Plekocheilus (Eurytus) mabillei (Crosse, 1867)[3]
  • Plekocheilus rhodocheilus (Reeve, 1848)[2]
  • Plekocheilus roseolabrum (E. A. Smith, 1877)[2][3]
  • Plekocheilus subglandiformis (Mousson, 1873)[3]
  • Plekocheilus superstriatus (Sowerby III, 1890)[2]
  • Plekocheilus tetensii (Dunker, 1875)[3]
  • Plekocheilus tricolor (Pfeiffer, 1853)[3]
  • Plekocheilus taylorianus (Reeve, 1849)[2][3]

subgenus Plekocheilus Guilding, 1828[2]

  • Plekocheilus apunni (Dunker, 1875)[3]
  • Plekocheilus aurissileni (Born, 1780) - photo of radula
  • Plekocheilus bigener Borrero & Breure, 2011[3]
  • Plekocheilus blainvilleanus (Pfeiffer, 1848)[3]
  • Plekocheilus fulminans (Nyst, 1843)[8][3]
  • Plekocheilus glandiformis (Lea, 1838)[3] - synonym: Plekocheilus (Eurytus) couturesi Ancey, 1900[3]
  • Plekocheilus incognitus Borrero & Breure, 2011[3]
  • Plekocheilus linterae (Sowerby III, 1890)[2]
  • Plekocheilus loveni (Pfeiffer, 1848)[2][3]
  • Plekocheilus philippei Breure, 2012 in press[9]
  • Plekocheilus plectostylus (Pfeiffer, 1848) - synonym: Plekocheilus speciosus (Pfeiffer, 1854)[2][3]
  • Plekocheilus taquinensis (Pfeiffer, 1855)[2][3]
  • Plekocheilus vlceki Breure & Schlögl, 2010[7]

Un-assignable taxa[3]

  • Plekocheilus (Eurytus) elaeodes (Pfeiffer, 1853)[3]
  • Plekocheilus (Eurytus) jucundus (Pfeiffer, 1855[3]
  • Plekocheilus (Eurytus) semperi (Dohrn, 1882)[3]

References
  1. Guilding L. (1827). Transactions of the Linnean Society of London 15(2): 512.
  2. Breure A. S. H. & Ablett J. D. (2011) "Annotated type catalogue of the Amphibulimidae (Mollusca, Gastropoda, Orthalicoidea) in the Natural History Museum, London". ZooKeys 138: 1-52. doi:10.3897/zookeys.138.1847.
  3. Borrero F. J. & Breure A. S. H. (2011). "The Amphibulimidae (Mollusca: Gastropoda: Orthalicoidea) from Colombia and adjacent areas". Zootaxa 3054: 1-59. preview.
  4. Pilsbry H. A. (1896). In: Tryon G. W. & Pilsbry H. A. Manual of Conchology (2)10, fasc. 3, no. 39, page 108.
  5. Arias C, Sergio, 1952. Algunos moluscos de la región Baruta - EL Hatilllo. Memoria de la Sociedad de Ciencias Naturales La Salle XII(31):47-65
  6. Albers (1850). Die Heliceen, page 169.
  7. Beaure A. S. H. & Schlögl J. (2010). "Additional notes on Orthalicidae from the Chimantá massif, Venezuelan Guayana, with descriptions of new species of Plekocheilus Guilding, 1828 (Mollusca: Gastropoda)". Zootaxa 2416: 51-60. abstract.
  8. Breure A. S. H. (2011). "Annotated type catalogue of the Orthalicoidea (Mollusca, Gastropoda) in the Royal Belgian Institute of Sciences, Brussels, with descriptions of two new species". ZooKeys 101: 1-50. doi:10.3897/zookeys.101.1133.
  9. Breure A. S. H. (in press). "Living in isolation: Plekocheilus (P.) philippei spec. nov. from Venezuelan Guayana (Gastropoda, Amphibulimidae)".

Further reading
  • Breure A. S. H. (1975). "Caribbean land molluscs: Bulimulidae, II. Plekocheilus and Naesiotus". Studies on the Fauna of Curaçao and other Caribbean Islands 46: 71-93, pls. 6-8, tables 8-14.
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