Campolaemus perexilis   (Smith)


 
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Saint Helena Whorl Snail
(Campolaemus perexilis)

 
syn. Tomigerus perexilis (Smith)

 
distribution:

British Overseas Territory of Saint Helena, Ascension and Tristan da Cunha: Saint Helena

 
local name: -

 
size: 1,5 mm (shell) (?)

extinction date: after 1502

 
This tiny creature, like so many other of Saint Helena's snails, fel victim to the nearly complete destruction of the native vegetation by clearings of the island's forests for timber and fire wood as well as by feral animals, above all goats.

 
left:

Saint Helena Whorl Snail (Campolaemus perexilis)


Depiction from 'G. W. Tryon; H. A. Pilsbry: Manual of Conchology. Second series: Pulmonata, Vol. 25, 1918-1920'

http://www.biodiversitylibrary.org

 
References:

- Edgar A. Smith: On the Land-Shells of St. Helena. Proceedings of the Zoological Society of London 1892, 258-270