Spectamen tryphenense
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Spectamen tryphenense | ||||||||||||||
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Scientific classification | ||||||||||||||
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Binomial name | ||||||||||||||
Spectamen tryphenense (Powell, 1930) |
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Synonyms | ||||||||||||||
Zeminolia tryphenensis Powell, 1930 |
Spectamen tryphenense is a small deepwater sea snail, a marine gastropod mollusc in the family Trochidae.
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[edit] Distribution
This species is endemic to the North Island of New Zealand, from North Cape to East Cape including offshore islands.
[edit] Habitat
This deepwater top shell lives at depths of between 10 and 160 m.
[edit] Shell description
The shell is trochiform with an elevated spire. The whorls are narrowly shouldered, and with distant spiral cords on the spire-whorls, faint close spiral threads on the upper base, and strong beaded cords, margining and continuing into a wide umbilical area.
The shell height is up to 5.75 mm, and the width is up to 6.25 mm.
[edit] References
- Powell A. W. B., New Zealand Mollusca, William Collins Publishers Ltd, Auckland, New Zealand 1979 ISBN 0-00-216906-1