Species Insullaoma riddlei (Iredale, 1937)
Whidbey Isles Pinhead Snail
Compiler and date details
October 1939 - Dr John Stanisic
- Paralaoma (Insullaoma) riddlei Iredale, T. 1937. An annotated check list of the land shells of South and Central Australia. South Australian Naturalist 18: 6-59 [30 Sept. 1937] [21].
Type data:
Holotype AM C60545, Hummock Is., SA.
Paratype(s) SAMA D16220 1 specimen.
Introduction
Insullaoma riddlei is distinguished by the reduced radial sculpture and the prominent spiral sculpture on the teleoconch.
Distribution
States
South Australia
IBRA
SA: Eyre Yorke Block (EYB), Kanmantoo (KAN)
Ecological Descriptors
Litter, open scrub.
Diagnosis
Shell very small, golden-brown, depressedly globose with a weakly elevated spire and rounded whorls; protoconch with numerous, prominent, crowded spiral cords, teleoconch with irregularly spaced, weak radial ribs, microsculpture of numerous radial threads and prominent spiral lirae; umbilicus open, very narrow, U-shaped; diameter 2mm.
Diagnosis References
Iredale, T. 1937. An annotated check list of the land shells of South and Central Australia. South Australian Naturalist 18: 6-59 [30 Sept. 1937]
History of changes
Published | As part of group | Action Date | Action Type | Compiler(s) |
---|---|---|---|---|
02-Jun-2022 | HELICINA | 02-Jun-2022 | MOVED | |
06-Feb-2014 | PUNCTOIDEA | 04-Feb-2014 | MODIFIED | Dr John Stanisic |
12-Feb-2010 | (import) |