Species Insullaoma riddlei (Iredale, 1937)

• 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