Blanfordia simplex

Blanfordia simplex is a species of land snail that has an operculum, a terrestrial gastropod mollusk in the family Pomatiopsidae.[3]

Blanfordia simplex
A pair of Blanfordia simplex mating on the forest floor.
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Gastropoda
Order:
Littorinimorpha
(unranked):
clade Caenogastropoda
clade Hypsogastropoda
Superfamily:
Rissooidea
Family:
Pomatiopsidae
Subfamily:
Pomatiopsinae
Genus:
Blanfordia
Species:
B. simplex
Binomial name
Blanfordia simplex
Synonyms[2]

Blanfordia japonica var. simplex Pilsbry, 1902

Henry Augustus Pilsbry described it as Blanfordia japonica var. simplex in 1902.[1] He has elevated this taxon to specific level in 1903.[4]

Distribution

This species is endemic to Japan.[3] It occurs widely along the Sea of Japan.[3] The type locality is Nishigo, Uzen Province, Honshu.[1]

It is a Near Threatened species.[5]

Description

Blanfordia simplex has a shell with 4.1-5.1 whorls.[2] Pilsbry (1902)[1] described the first whorl to be more or less worn.[1] The color of the shell is yellowish-olivaceous.[1] It has the lip hardly visible, only a mere trifle expanded.[1]

The width of the shell is 3.7-4.2 mm.[2] The height of the shell is 5.9-6.9 mm.[2]

Drawing of apertural view of a shell. The scale is 1 mm.
Drawing of lateral view of a shell. The scale is 1 mm.

The shell of Blanfordia simplex is shorter and broader than that of Blanfordia bensoni.[1]

Ecology
Habitat of terrestrial species Blanfordia simplex is on the forest floor.

This species lives on coastal dunes and in littoral forests.[3]

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References

This article incorporates public domain text from the reference[1]

  1. Pilsbry H. A. (1902). "New land Mollusca from Japan and the Bonin Islands". Proceedings of the Academy of Natural Sciences of Philadelphia 54: 25-32. page 26.
  2. Bartsch P. (1936). "Molluscan intermediate hosts of the Asiatic blood fluke, Schistosoma japonicum, and species confused with them". Smithsonian Miscellaneous Collections 95(5): 1-60. pages 14-15.
  3. Kameda Y. & Kato M. (2011). "Terrestrial invasion of pomatiopsid gastropods in the heavy-snow region of the Japanese Archipelago". BMC Evolutionary Biology 11: 118. doi:10.1186/1471-2148-11-118.
  4. Pilsbry H. A. & Hirase Y. (1903). "New land shell of the Japanese Empire". The Nautilus 16: 114-117.
  5. (in Japanese) "ヒメオカマメタニシ" Archived 2011-10-04 at the Wayback Machine. 日本のレッドデータ検索システム [Japanese Red List Data Book], accessed 17 July 2011.
  • Pilsbry H. A. (1915). "The Japanese species of Blanfordia". The Nautilus 29(1): 1-4. page 2, figure 3, 3a.
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