Otukaia blacki

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Otukaia blacki
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
(unranked): clade Vetigastropoda
Superfamily: Trochoidea
Family: Calliostomatidae
Genus: Otukaia
Species: O. blacki
Binomial name
Otukaia blacki
(Dell, 1956)
  • Alertalex blacki Dell, 1956
  • Calliostoma alertae Marshall, 1995

Otukaia blacki is a medium-sized deepwater sea snail, a marine gastropod mollusc in the family Calliostomatidae, the calliostoma top snails.[1]


In classifications that treat both Otukaia and Maurea as subgenera of Calliostoma, the valid name for this species is Calliostoma alertae Marshall, 1995, since Calliostoma (Otukaia) blacki (Dell, 1956) is preoccupied by Calliostoma (Maurea) blacki (Powell, 1950) [1]


This marine species occurs off New Zealand.


  1. ^ a b c Bouchet, P. (2011). Otukaia blacki (Dell, 1956). Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=567191 on 2012-06-20
  • Powell A. W. B., New Zealand Mollusca, William Collins Publishers Ltd, Auckland, New Zealand 1979 ISBN 0-00-216906-1
  • Dell, R. K. (1990). Antarctic Mollusca with special reference to the fauna of the Ross Sea. Bulletin of the Royal Society of New Zealand, Wellington 27: 1–311 page(s): 92
  • Marshall, 1995. A revision of the recent Calliostoma species of New Zealand (Mollusca:Gastropoda:Trochoidea). The Nautilus 108(4):83-127