Gastrocopta ogasawarana   (Pilsbry)


 
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Ogasawara Whorl Snail
(Gastrocopta ogasawarana)

 
syn. -

 
distribution:

Japan: Chichijima; Ototojima (?) / Ogasawara Islands

 
local name: -

 
size: ca. 0,18 cm (shell heigth)

extinction date: (?)

 
The reasons for the extinction of this snail species are the same as for the closely related Chichijima Whorl Snail (Gastrocopta chichijimana (Pilsbry)).

 
left:

Ogasawara Whorl Snail (Gastrocopta ogasawarana)


Depiction from: 'G. W. Tryon; H. A. Pilsbry: Manual of Conchology. Second series: Pulmonata, Vol. 24, 1918-1920'

http://www.biodiversitylibrary.org

 
References:

- Takashi Ohbayashi; Isamu Okochi; Hiroki Sato; Tsuyoshi Ono: Food habit of Platydemus manokwari De Beauchamp, 1962 (Tricladida: Terricola: Rhynchodemidae), known as a predatory flatworm of land snails in the Ogasawara (Bonin) Islands, Japan. Entomology and Zoology 40: 609-614. 2005