Semilaoma
Semilaoma is a genus of three pinhead or dot snail species that are endemic to Australia's Lord Howe Island in the Tasman Sea. Species
 Semilaoma costata Shea & Griffiths, 2010 – coarse-ribbed pinhead snail
 Semilaoma laevis Shea & Griffiths, 2010 – smooth pinhead snail
 Semilaoma lidgbirdensis (Iredale, 1944) – Mount Lidgbird pinhead snail

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Gastropod genera
Taxa named by Tom Iredale
Gastropods described in 1944
Gastropods of Lord Howe Island