Samoan Land Snails Identification Guide

(data last revised 29 June 2001)

Use this image-based identification guide to help identify Samoan land snails.

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Species: Eua (Nesanassa) expansa (Pease, 1871)

Distribution:Savai'i, 'Upolu.
Natural Range:Samoa.
Status:Endemic.
Habitat:Forest at low (formerly) and mid elevations.
Adult Size:Height, 18-19 mm; width, 14-15 mm.
Identification:A grayish-white or sometimes pale tan colored shell, sometimes with faint darker spiral lines and flecks. The only species of Eua on Savai'i and distinguished on 'Upolu from Eua montana by its wider umbilicus, more squat shape, and by its more expanded aperture and body whorl.


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