Palaina deliciosa

Palaina deliciosa, also known as the minuscule staircase snail, is a species of staircase snail that is endemic to Australia's Lord Howe Island in the Tasman Sea.

Palaina deliciosa
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Gastropoda
(unranked):
clade Caenogastropoda
informal group Architaenioglossa
Superfamily:
Cyclophoroidea
Family:
Diplommatinidae
Genus:
Palaina
Species:
P. deliciosa
Binomial name
Palaina deliciosa
Location of Lord Howe Island
Synonyms
  • Palaina padda Iredale, 1944

Description

The pupiform shell of adult snails is 1.5 mm in height, with a diameter of 0.9 mm, with deeply impressed sutures. It is white in colour, with golden apical whorls. It has moderately spaced axal ribs. The umbilicus is closed. The circular aperture has an operculum.[2]

Habitat

The snail is common and widespread across the island.[2]

References
  1. Iredale, Tom (1944). "The land Mollusca of Lord Howe Island". Australian Zoologist. 10 (3): 299–334.
  2. 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.
This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.