Roblinella
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Roblinella is a monotypic genus of small land snails in the family Charopidae. The sole species is Roblinella roblini,[1] also known as Roblin's pinwheel snail. It is endemic to Tasmania.[2]
Other species formerly included in Roblinella have been transferred to other genera.[1] However, Bonham (2007) pointed to existence of other, undescribed species that could be Roblinella roblini's closest relatives.[3]
Distribution and habitat
Roblinella roblini is known only from near Launceston, Tasmania.[2][3] It is known from two localities about 30 km apart and is scarce at both. Surveys in the area did not reveal other populations. Specimens have been collected under/on dolerite rocks and in leaf litter in mid-slope scrub along a creek and in a gully under a fern.[3]
Description
Roblinella roblini is a small, white snail. Adults of 4.15–4.5 whorls measure Script error: No such module "convert". in diameter, with historic records up to Script error: No such module "convert".. The spire is flat or slightly raised. The ratio of shell height to diameter ranges from about one-third to one-half. The protoconch has many small discrete interstical riblets that are not quite perpendicular to the primary spirals – this feature most clearly separates it from Gadoropa gadensis and most other small charopids in the region.[3]
References
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