Partulina montagui   (Pilsbry)


 
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Montagui's Partulina
(Partulina montagui)

 
syn. -

 
distribution:

Hawai'i Islands: O'ahu

 
local name:

Kahuli (Hawaiian)
Pupu kolea uka (Hawaiian)

 
size: ca. 2,5 cm (shell height)

extinction date: (?)

 
Montagui's Partulina from the island of O'ahu was obviously already extinct in the year of its description in the year 1913, as this species is known only from subfossil shells.

In G. W. Tryon's and H. A. Pilsbry's 'Manual of Conchology' one can read.:

The shells occur in the humus near the surface, along the roadside, and are very rare, apparently lying in "pockets" which have been filled and covered by the wash down the slope. Probably the forest disappeared from where the shells are found not much than hundred years ago.

 
left:

Montagui's Partulina (Partulina montagui)


Depiction from: 'G. W. Tryon; H. A. Pilsbry: Manual of Conchology. Second series: Pulmonata, Vol. 22, 1912-1914'

http://www.biodiversitylibrary.org

 
References: