Volume 31, 1898
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Genus Ischnochiton, Gray (1847).
Key to Species.
| Scales of girdle faintly striated, mingled with non-striated scales | I. longicymba. |
| All scales of girdle deeply grooved, 3–4 grooves on a scale | I. parkeri. |
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I. longicymba, Quoy and Gaimard.
Man. N.Z. Moll., p. 113.
I. parkeri, Suter.
Proc. Mai. Soc. London, vol. ii., p. 186 (1897).
Circumvallatus, Hutton (not of Reeve), is a synonym.
