Onykia lonnbergii: Description Continued

Richard E. Young, Michael Vecchione, and Kotaro Tsuchiya
  1. Arms
    1. Arm IV longest, about 60% of ML.

  2. Tentacles
    1. Carpal locking apparatus with 7-8 suckers.
    2. Terminal (distal) club pad with 10-13 small suckers.

  3. Head
    1. Radula
      1. Rhachidian tooth with 2 large lateral cusps; lateral tooth I with single large lateral cusp.
      2. Click on an image to view larger version & data in a new window
        Click on an image to view larger version & data in a new window

        Figure. Radular teeth on one side of radula of O. lonnbergii. Drawing from Sasaki, 1929.


Except for the description of the radula which is from Sasaki, 1929, this description is taken from Kubodera et al. (1998).


Kubodera, T., U. Piatkowski, T. Okutani and M.R. Clarke.  1998. Taxonomy and Zoogeography  of the Family Onychoteuthidae (Cephalopoda: Oegopsida).  Smithsonian Contributions to  Zoology, No. 586: 277-291.

Sasaki, M. 1929. A monograph of the dibranchiate cephalopods of the Japanese and adjacent waters. Journal of the College of Agriculture, Hokkaido Imperial University, 20(Supplementary number):1-357.

About This Page

University of Hawaii, Honolulu, HI, USA

National Museum of Natural History, Washington, D. C. , USA

Tokyo University of Fisheries, Tokyo, Japan

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