Rhytida australis is a species of small, air-breathing land snail, a terrestrial pulmonate gastropod molluscs in the family Rhytididae.
This species is endemic
to Stewart Island
in New Zealand
This snail is found in the northern part of Stewart Island, living in forest litter and under the bark of rimu
The shell is rather small, depressed, resembling Rhytida meesoni meesoni
but with deeper whorls
. The surface is deeply malleated but becoming smooth in and around the umbilicus
. The shell coloration is yellowish-brown; the umbilicus is reddish-brown.
The shell diameter is up to 13 mm
, and height up to 8 mm.
- Powell A. W. B., New Zealand Mollusca, William Collins Publishers Ltd, Auckland, New Zealand 1979 ISBN 0-00-216906-1