Tropidoptera
TaxonTropidoptera
AuthorityAncey, 1889[1]
Type speciesEndodonta (Pterodiscus) wesleyi Sykes, 1896
Synonyms
  • Amastra (Helicamastra) Pilsbry & Vanatta, 1905 junior subjective synonym
  • Endodonta (Pterodiscus) Pilsbry, 1893 junior subjective synonym
  • Pterodiscus Pilsbry, 1893 junior subjective synonym

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

Description

(Described as Endodonta (Pterodiscus)) The shell is umbilicated, depressed, thin, or fragile, with a translucent horny-brown coloration.

The whorls are finely and densely striated, with the body whorl sharply keeled at the periphery and distinctly carinated around the umbilicus. The aperture is oblique and toothless, with a thin, simple lip.[3]

Distribution

It is endemic to the Hawaiian Islands.

Species

Species within the genus Tropidotera include:

References

  1. ^ "NZ Search"
  2. ^
  3. ^ Pilsbry, H.A. (1893–1895). Manual of conchology, structural and systematic, with illustrations of the species. Ser. 2, Pulmonata. Vol. 9: Helicidae, Vol. 7, Guide to the study of Helices. Philadelphia: Conchological Section, Academy of Natural Sciences. p. 36.
  • Cowie, R. H., Evenhuis, N. L. & Christensen, C. C. ( (1995). Catalog of the native land and freshwater molluscs of the Hawaiian Islands. vi. Leiden: Backhuys Publishers. pp. 1–248.
  • Schileyko, A.A. (1998). "Treatise on Recent terrestrial pulmonate molluscs. Part 1. Achatinellidae, Amastridae, Orculidae, Strobilopsidae, Spelaeodiscidae, Valloniidae, Cochlicopidae, Pupillidae, Chondrinidae, Pyramidulidae". Ruthenica. ' (suppl. 2): 59.