Samoan Land Snails
Identification Guide (data last revised 29 June 2001)
|
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 Ostodes
Listed below are images and full details of species within this genus.
Species: Ostodes adjunctus (Mousson, 1869)
 |
 |
 |
| Distribution: | Tutuila. |
| Natural Range: | Samoa |
| Status: | Endemic |
| Habitat: | On the ground in forest areas with heavy tree cover. |
| Adult Size: | Height, 4-7 mm; width, 6-9 mm. |
| Identification: | Only two species of Ostodes are found on Tutuila: Ostodes adjunctus and Ostodes strigatus. Adult shells of Ostodes adjunctus are much smaller than those of Ostodes strigatus. Generally, only O. adjunctus occurs in the eastern part of the island, with O. strigatus in the western portion. |
Species: Ostodes strigatus (Gould, 1847)
 |
 |
 |
| Distribution: | Tutuila. |
| Natural Range: | Samoa. |
| Status: | Endemic. |
| Habitat: | On the ground in forest areas with heavy tree cover. |
| Adult Size: | Height, 7-11 mm; width, 9-12 mm. |
| Identification: | Adult shells of Ostodes strigatus are much larger as well as taller in proportion to their width than those of Ostodes adjunctus, the only other species of Ostodes found on Tutuila. |
| Remarks: | Listed as a candidate for endangered/threatened status by the U.S. Fish and Wildlife Service in 1994. |
No Images:
Ostodes cookei Clench, 1949
Ostodes exasperatus Girardi, 1978
Ostodes garretti Clench, 1949
Ostodes gassiesi (Souverbie, 1859)
Ostodes llanero Girardi, 1978
Ostodes plicatus (Gould, 1847)
Ostodes reticulatus Girardi, 1978
Ostodes savaii Clench, 1949
Ostodes tiara (Gould, 1847)
Ostodes upolensis (Mousson, 1865)