Diagnostic featuresFluviopupa gracilis
is separated from F. ramsayi
in having an elongate
and the distal
end of the penis
is longer (not shorter) than the accessory lobe
. This subspecies is the largest of the F. gracilis
complex and has 5 whorls. As in F. gracilis erskinensis
is black and the head
-foot has some pigmentation.
Fluviopupa gracilis kingstoni Ponder, 1982
Genus Fluviopupa Pilsbry, 1911
Original name: Fluviopupa gracilis kingstoni Ponder, 1982. Ponder, W.F. (1982) Hydrobiidae of Lord Howe Island (Mollusca: Gastropoda: Prosobranchia). Australian Journal of Marine and Freshwater Research 33: 89-159.
Type locality: Stream behind Golf Course (to SSE of club building and just over fence in reserve). Southern end of Big Slope, in creek on southern side of main point on slope.
Biology and ecology
In small streams on stones.
Lord Howe Island. Southern end of Big Slope on eastern side of Mt. Gower.
The Lord Howe Island Fluviopupa species are rather similar in appearance but the different taxa are in distinct geographical locations on Lord Howe Island.
Ponder, W. F. (1982). Hydrobiidae of Lord Howe Island (Mollusca: Gastropoda: Prosobranchia). Australian Journal of Marine and Freshwater Research 33: 89-159.