The most unusual feature of this beak is the lateral-wall fold/ridge whose structure seems to be midway between that of
Mg. magna and
Mg. microlucens.
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Figure. Side (left) and oblique-side (right) views of the same lower beak of Mg. type beta, 71 mm ML, 2.3 mm LRL, immature female, South Pacific at 47°S, 168°W. Photographs by R. Young.
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Figure. Lateral (left) and medial (right) views of the left half of the lower beak of Mg. type beta that has been laid flat, 71 mm ML, female, South Pacific at 47°S, 168°W. Photographs by R. Young.
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Figure. Various views of the lower beak of Mg. type beta, 71 mm ML, female, South Pacific at 47°S, 168°W. Left - Lateral view of the left half of the lower beak that has been laid flat with drawn cross-sections of the lateral wall overlayed where the cuts occurred. Middle - Frontal view. Right - Top view. Photographs by R. Young.
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Figure. Side (left) and oral-oblique (right) views of the same upper beak of Mg. type beta, 71 mm ML, female, South Pacific at 47°S, 168°W. Photographs by R. Young.
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Figure. Lateral (left) and medial (right) views of the right half of the upper beak of Mg. type beta that has been laid flat, 71 mm ML, female, South Pacific at 47°S, 168°W. Photographs by R. Young
About This Page
University of Hawaii, Honolulu, HI, USA
National Museum of Natural History, Washington, D. C. , USA
Page copyright © 2007 and
Page: Tree of Life
Magnoteuthis type beta: Description of beaks
Authored by
Richard E. Young and Michael Vecchione.
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