Howearion
Howearion is a genus of two species of helicarionid semislugs that are endemic to Australia’s Lord Howe Island in the Tasman Sea. Species
 Howearion belli Iredale, 1944 – beautiful semislug
 Howearion hilli (Cox, 1873) – Lord Howe semislug

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