Planorbis corinna

Planorbis corinna
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
(unranked): clade Heterobranchia
clade Euthyneura
clade Panpulmonata
clade Hygrophila
Superfamily: Planorboidea
Family: Planorbidae
Subfamily: Planorbinae
Tribe: Planorbini
Genus: Planorbis
Species: P. corinna
Binomial name
Planorbis corinna
Gray, 1850

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.

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

  1. Powell A. W. B. (1979). New Zealand Mollusca. William Collins Publishers Ltd, Auckland, New Zealand, ISBN 0-00-216906-1


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