Allenella is a genus of three species of tiny pinhead or dot snails that are endemic to Australia's Lord Howe Island in the Tasman Sea. The genus was first described in 1944 by Tom Iredale.
Species Allenella belli Iredale, 1944 – beautiful pinhead snail Allenella formalis Iredale, 1944 – brown turban pinhead snail Allenella planorum Iredale, 1944 – angular pinhead snail
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