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IMIS Photogallery » Echinodermata (echinoderms) » Echinoidea (sea urchins)
Echinosigra (Echinogutta) amphora (Challenger Expedition)
Echinosigra (Echinogutta) amphora (Challenger Expedition)
Description a. Aboral side: There is a distinct keel from the anterior side to the posterior slope. b. Oral side: A median keel runs from the peristomial funnel to the end of the posterior rostrum. c. Side view.
Length 18 mm; Challenger Station. Author Agassiz, Alexander JPG file - 153.88 kB - 816 x 1 080 pixels added on 2009-02-23348 viewsFrom reference Schultz, H. (2009). Sea urchins II: Worldwide irregular d... © 2009 Agassiz, Alexander
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