Genus Insullaoma Iredale, 1937
Pinhead Snails
Compiler and date details
October 2013 - Dr John Stanisic
- Insullaoma 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] [19].
Type species:
Paralaoma (Insullaoma) riddlei Iredale, 1937 by original designation.Secondary source:
Kershaw, R.C. 1976. A commentary on Insullaoma Iredale, 1937 (Gastropoda : Pulmonata : Punctidae). South Australian Naturalist 50: 51-53 [51].
Introduction
Insullaoma differs from Paralaoma in having degenerate radial sculpture and very prominent spiral lirae both on the protoconch and teleoconch. Whether the two species included are congeneric is problematic pending more study.
Distribution
States
South Australia, Western Australia
Extra Distribution Information
Australian Endemic.
IBRA
SA: Eyre Yorke Block (EYB), Kanmantoo (KAN) ; WA: Jarrah Forest (JF), Warren (WAR)
Diagnosis
Shell very small, depressedly globose with a weakly elevated spire; protoconch with numerous, prominent spiral cords, teleoconch with irregularly spaced, weak radial ribs, microsculpture of numerous radial threads and prominent spiral lirae; umbilicus narrow. Colour golden-brown.
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]
Iredale, T. 1939. A review of the land Mollusca of Western Australia. Journal of the Royal Society of Western Australia 25: 1-88 [21 Aug. 1939]
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 | 06-Feb-2014 | MODIFIED | Dr John Stanisic |
| 12-Feb-2010 | (import) |