- Relative sucker sizes
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Figure. The size of a club sucker (left - sucker from mid-region of club) relative to two large arm suckers (arm III sucker in middle, arm IV sucker on right) of P. sulcus.
- Arm suckers
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Figure. Two oral views of a large arm III sucker (sucker 10) of P. sulcus. Note the poorly defined series of truncate teeth.
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Figure. Two views of a large arm IV sucker (approximately sucker no. 10) of P. sulcus. Note the similarity to the arm III sucker.
- Club suckers
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Figure. Oral view of two club suckers of P. sulcus. Most of the outer ring has fallen off the sucker on the left revealing the dentition on the inner ring. Similar dentition can be seen on the intact but collapsed sucker on the far right.
Comments
All scanning electron micrographs are of the holotype of P. sulcus and were taken by R. Young.
About This Page
University of Hawaii, Honolulu, HI, USA
National Museum of Natural History, Washington, D. C. , USA
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Page: Tree of Life
Promachoteuthis sulcus: Sucker SEM
Authored by
Richard E. Young and Michael Vecchione.
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