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Fluviopupa ramsayi ramsayi (Brazier, 1889)

Diagnostic features

Fluviopupa gracilis is separated from F. ramsayi in having an elongate-pupoid shell, and the distal end of the penis is longer (not shorter) than the accessory lobe. In F. ramsayi ramsayi, the shell is larger than that of F. ramsayi royana and the inner lip is more closely applied to the parietal wall.

Classification

Fluviopupa ramsayi ramsayi (Brazier, 1889)

Class Gastropoda

Subclass Caenogastropoda

Order Littorinimorpha 

Superfamily Truncatelloidea

Family Tateidae

Genus Fluviopupa Pilsbry, 1911

Original name: Bythinella ramsayi Brazier, 1889. Brazier, J. (1889) Mollusca. Australian Museum Memoir 2: 22-30, plts 4-5. 

Type locality: Eastern flanks of Mt. Lidgebird, Lord Howe Island, in steep gullies running down to the shore (from original description).

Biology and ecology

Lives in small seepage pools on bare rock and in moss and under stones in small steams.

Distribution

Lord Howe Island. Eastern slopes of Mt. Lidgebird.

Notes

The Lord Howe Island Fluviopupa species are rather similar in appearance but the different taxa are  in distinct geographical locations on Lord Howe Island.

Further reading

Iredale, T. (1944). The land Mollusca of Lord Howe Island. Australian  Zoologist 10: 299-334, pls XVII-XX.

Ponder, W. F. (1982). Hydrobiidae of Lord Howe Island (Mollusca: Gastropoda: Prosobranchia). Australian Journal of Marine and Freshwater Research 33: 89-159.