Planorbis corinna
Planorbis corinna is a species of minute, air-breathing freshwater snail, an aquatic pulmonate gastropod mollusk, or micromollusk in the family Planorbidae, the ram's horn snails, or planorbids. All planorbids have sinistral or left-coiling shells.
| Planorbis corinna | |
|---|---|
| Scientific classification | |
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| Subfamily: | Planorbinae |
| Tribe: | Planorbini |
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| Species: | P. corinna |
| Binomial name | |
| Planorbis corinna Gray, 1850 | |
Distribution
This species is endemic to New Zealand.[1]
Shell description
This species, like all planorbids, has a sinistral shell. The shell in this species is very minute, discoidal, with four slowly increasing whorls. The shell coloration is greenish-white to light brown. The width of the shell is up to 3.3 mm, and the height is up to 0.8 mm.
References
- Powell A. W. B. (1979). New Zealand Mollusca. William Collins Publishers Ltd, Auckland, New Zealand, ISBN 0-00-216906-1
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