Samoan Land Snails Identification Guide

Samoan Land Snails Identification Guide

(data last revised 29 June 2001)

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

Guide to Species of Trochomorpha

Listed below are images and full details of species within this genus.

Distribution:	'Upolu.
Natural Range:	Samoa.
Status:	Endemic.
Habitat:	On ferns, shrubs and tree trunks in upper elevation rain forest.
Adult Size:	Height, 8-12 mm; width, 16-20 mm.
Identification:	Much less strongly keeled and less conical than Trochomorpha apia.

Distribution:	Savai'i, 'Upolu, Tutuila.
Natural Range:	Samoa.
Status:	Endemic.
Habitat:	On ferns, shrubs and tree trunks at low and mid elevations.
Adult Size:	Height, 8-10 mm; width, 16-20 mm.
Identification:	Much more sharply keeled and more conical than Trochomorpha troilus.
Remarks:	Listed as a candidate for endangered/threatened status by the U.S. Fish and Wildlife Service in 1994; now listed as a "species of concern". Listed as threatened by IUCN in 1996. Still found alive in 1998 but extremely rare and probably close to extinction.