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.
Allenella belli, also known as the beautiful pinhead snail, is a species of land snail that is endemic to Australia's Lord Howe Island in the Tasman Sea.
Allenella formalis, also known as the brown turban pinhead snail, is a species of land snail that is endemic to Australia's Lord Howe Island in the Tasman Sea.
Allenella planorum, also known as the angular pinhead snail, is a species of land snail that is endemic to Australia's Lord Howe Island in the Tasman Sea.

Borsonella pinosensis is a species of sea snail, a marine gastropod mollusk in the family Borsoniidae.

Buccinum micropoma is a species of sea snail, a marine gastropod mollusk in the family Buccinidae, the true whelks.
Charopella zela, also known as the Mount Gower banded pinwheel snail, is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusc in the pinwheel snail family, that is endemic to Australia's Lord Howe Island in the Tasman Sea.
Charopinesta 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.
Charopinesta goweri, also known as the Mount Gower pinhead snail, is a species of land snail that is endemic to Australia's Lord Howe Island in the Tasman Sea.
Charopinesta sema, also known as the Blackburn Island pinhead snail, is a species of land snail that is endemic to Australia's Lord Howe Island group in the Tasman Sea.
Charopinesta suavis, also known as the sweet pinhead snail, is a species of land snail that is endemic to Australia's Lord Howe Island in the Tasman Sea.

Conasprella vanhyningi is a species of sea snail, a marine gastropod mollusk in the family Conidae, the cone snails and their allies.
Dignamoconcha is a monotypic genus of pinhead or dot snails that is endemic to Australia's Lord Howe Island in the Tasman Sea.
Goweroconcha wenda, also known as the pale-zigzag pinwheel snail, is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusc in the pinwheel snail family, that is endemic to Australia's Lord Howe Island in the Tasman Sea.
Goweroconcha wilsoni, also known as Gower Wilson's pinwheel snail, is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusc in the pinwheel snail family, that is endemic to Australia's Lord Howe Island in the Tasman Sea.

Gudeoconcha is a genus of glass snails that is endemic to Australia’s Lord Howe Island in the Tasman Sea. The single species is G. sophiae (Reeve, 1854). It has four subspecies, only two of which are extant:G. s. sophiae (Reeve, 1854), also known as the Lord Howe Island glass snail G. s. magnifica Iredale, 1944, also known as the magnificent glass snail or magnificent helicarionid land snail. It is Australia's largest helicarionid snail and is listed as Critically Endangered under Australia's Environment Protection and Biodiversity Conservation Act 1999. G. s. conica (Brazier, 1889) G. s. intermedia Hyman & Ponder, 2016
Gyropena verans, also known as the sunken-spired pinwheel snail, is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusc in the pinwheel snail family, that is endemic to Australia's Lord Howe Island in the Tasman Sea.
Hedleyoconcha addita, also known as the Lord Howe Island conical pinwheel snail, is a species of pinwheel snail that is endemic to Australia's Lord Howe Island in the Tasman Sea.
Howearion belli, also known as the beautiful semislug, is a species of semislug that is endemic to Australia's Lord Howe Island in the Tasman Sea.
Innesoconcha is a genus of four species of tiny glass-snails that are endemic to Australia's Lord Howe Island in the Tasman Sea.
Innesoconcha aberrans, also known as the black face glass-snail, is a species of land snail that is endemic to Australia's Lord Howe Island in the Tasman Sea.
Innesoconcha princeps, also known as the banded golden glass-snail, is a species of land snail that is endemic to Australia's Lord Howe Island in the Tasman Sea.
Innesoconcha segna, also known as the pale glass-snail, is a species of land snail that is endemic to Australia's Lord Howe Island in the Tasman Sea.

Knefastia dalli, common name Dall's turrid, is a species of sea snail, a marine gastropod mollusk in the family Pseudomelatomidae, the turrids and allies.
Limborelia innesi, also known as the compact palmleaf snail, is a species of palmleaf snail that is endemic to Australia's Lord Howe Island in the Tasman Sea.

Lottia langfordi is a species of sea snail, a true limpet, a marine gastropod mollusk in the family Lottiidae, one of the families of true limpets.
Melloconcha is a genus of six species of tiny glass-snails that are endemic to Australia's Lord Howe Island in the Tasman Sea.
Melloconcha delecta, also known as the tiny amber glass-snail, is a species of land snail that is endemic to Australia's Lord Howe Island in the Tasman Sea.
Melloconcha flavescens, also known as the tiny yellow glass-snail, is a species of land snail that is endemic to Australia's Lord Howe Island in the Tasman Sea.
Melloconcha grata, also known as the angulate glass-snail, is a species of land snail that is endemic to Australia's Lord Howe Island in the Tasman Sea.
Melloconcha miranda, also known as the Miranda's glass-snail, is a species of land snail that is endemic to Australia's Lord Howe Island in the Tasman Sea.
Melloconcha prensa, also known as the flattened glass-snail, is a species of land snail that is endemic to Australia's Lord Howe Island in the Tasman Sea.
Melloconcha rosacea, also known as the tiny rosy glass-snail, is a species of land snail that is endemic to Australia's Lord Howe Island in the Tasman Sea.
Monterissa gowerensis, also known as the Lord Howe microturban, is a species of minute cave snails with an operculum, gastropod mollusks in the family Hydrocenidae.
Opinorelia is a monotypic genus of palmleaf snails that is endemic to Australia's Lord Howe Island in the Tasman Sea.
Palaina deliciosa, also known as the miniscule staircase snail, is a species of staircase snail that is endemic to Australia's Lord Howe Island in the Tasman Sea.
Palaina edwardi, also known as Edward's staircase snail, is a species of staircase snail that is endemic to Australia's Lord Howe Island in the Tasman Sea.
Palaina embra, also known as the mountain-top staircase snail, is a species of staircase snail that is endemic to Australia's Lord Howe Island in the Tasman Sea.
Palaina levicostulata, also known as the fine-ribbed staircase snail, is a species of staircase snail that is endemic to Australia's Lord Howe Island in the Tasman Sea.
Palaina lucia, also known as Lucy's staircase snail, is a species of staircase snail that is endemic to Australia's Lord Howe Island in the Tasman Sea.
Palaina waterhousei, also known as the wide-ribbed staircase snail, is a species of staircase snail that is endemic to Australia's Lord Howe Island in the Tasman Sea.
Paralaoma compar, also known as the ribbed pinhead snail, is a species of land snail that is endemic to Australia's Lord Howe Island in the Tasman Sea.
Paralaoma goweri, also known as the mountain pinhead snail, is a species of land snail that is endemic to Australia's Lord Howe Island in the Tasman Sea.
Paralaoma innesi, also known as Innes' pinhead snail, is a species of land snail that is endemic to Australia's Lord Howe Island in the Tasman Sea.
Parmellops is a genus of two species of semislugs that are endemic to Australia's Lord Howe Island in the Tasman Sea.
Pernastela is a genus of three pinhead or dot snail species that are endemic to Australia's Lord Howe Island in the Tasman Sea.
Pernastela charon, also known as the lowland forest pinhead snail, is a species of land snail that is endemic to Australia's Lord Howe Island in the Tasman Sea.
Pernastela gnoma, also known as the dwarf pinhead snail, is a tiny species of land snail that is endemic to Australia's Lord Howe Island in the Tasman Sea.
Pernastela howensis, also known as the Lord Howe pinhead snail, is a tiny species of land snail that is endemic to Australia's Lord Howe Island in the Tasman Sea.
Semilaoma is a genus of three pinhead or dot snail species that are endemic to Australia's Lord Howe Island in the Tasman Sea.
Semilaoma lidgbirdensis, also known as the Mount Lidgbird pinhead snail, is a tiny species of land snail that is endemic to Australia's Lord Howe Island in the Tasman Sea.
Tornatellinops lidgbirdensis, also known as the Mount Lidgbird miniature treesnail, is a species of tree snail that is endemic to Australia's Lord Howe Island in the Tasman Sea.