Monterissa gowerensis

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.[2]

Monterissa gowerensis
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Gastropoda
(unranked):
clade Neritimorpha
clade Cycloneritimorpha
Superfamily:
Hydrocenoidea
Family:
Hydrocenidae
Genus:
Monterissa
Species:
M. gowerensis
Binomial name
Monterissa gowerensis
Iredale, 1944
Location of Lord Howe Island

Description

The globosely turbinate shell of adult snails is 2.1–2.4 mm in height, with a diameter of 1.7–2 mm, with deeply impressed sutures. It is smooth, glossy and pale golden-brown in colour. The umbilicus is closed. The ovately lunate aperture has an operculum.[3]

Distribution and habitat

This terrestrial and freshwater species occurs on Australia's Lord Howe Island in the Tasman Sea, where it is rare and found mainly on the slopes of Mount Gower and Mount Lidgbird in leaf litter and cliff crevices.[3]

References
  1. Ponder, W.F.; Stanisic, J (1996). "Monterissa gowerensis". IUCN Red List of Threatened Species. 1996: e.T13731A4355126. doi:10.2305/IUCN.UK.1996.RLTS.T13731A4355126.en. Retrieved 15 November 2021.
  2. Iredale, Tom (1944). "The land Mollusca of Lord Howe Island". Australian Zoologist. 10 (3): 299–334.
  3. Hyman, Isabel; Köhler, Frank (2020). A Field Guide to the Land Snails of Lord Howe Island. Sydney: Australian Museum. ISBN 978-0-9750476-8-2.
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