Australian Biological Resources Study

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Species Insullaoma riddlei (Iredale, 1937)

Whidbey Isles Pinhead Snail


Compiler and date details

October 1939 - Dr John Stanisic

 

Introduction

Insullaoma riddlei is distinguished by the reduced radial sculpture and the prominent spiral sculpture on the teleoconch.

 

Distribution

States

South Australia


IBRA and IMCRA regions (map not available)

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.

 

History of changes

Note that this list may be incomplete for dates prior to September 2013.
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)