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Howearion hilli

Howearion hilli
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Order: Stylommatophora
Superfamily: Helicarionoidea
Family: Helicarionidae
Genus: Howearion
Species:
H. belli
Binomial name
Howearion belli
(Cox, 1873)
Location of Lord Howe Island
Synonyms
  • Helicarion hilli Cox, 1873
  • Howearion palmarum Iredale, 1944

Howearion hilli, also known as the Lord Howe semislug, is a species of semislug that is endemic to Australia's Lord Howe Island in the Tasman Sea.[1]

Description

The shell of the mature animal is 6.9–9.1 mm in height, with a diameter of 13.4–17 mm, ear-shaped with rounded, rapidly expanding whorls, and with flattened spire and apex. It is glossy and golden in colouration. The umbilicus is closed. The aperture is ovately lunate. The animal is yellowish-cream with brown stripes and spots and tiny white flecks.[1]

Distribution

The semislug is widespread in the lowlands of the island, as well as on the lower slopes of the southern mountains.[1]

References

  1. ^ a b c 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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