Rhytida patula is a species of medium-sized, air-breathing land snail, a terrestrial pulmonate gastropod mollusc in the family Rhytididae.
This species is endemic
to the western part of the South Island
of New Zealand
The shell is depressed, with rapidly increasing whorls
, thin, almost entirely chitinous
. The surface is finely malleated. The colour is brownish-olive.
The shell diameter is up to 28 mm
, and height up to 12 mm.
- Powell A W B, New Zealand Mollusca, William Collins Publishers Ltd, Auckland, New Zealand 1979 ISBN 0-00-216906-1