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Plexechinus cinctus (test)
Plexechinus cinctus (test)
Description a. Upper side: The periproct is situated on the aboral side above the rostrum. b. Oral side: The plates in the posterior ambulacra are predominately naked. c. Side view: The posterior end forms a distinct rostrum surrounded by the subanal fasciole. d. Posterior side: The subanal fasciole is broad and high.
Length 20 mm; off South California. Author Agassiz, Alexander JPG file - 392.03 kB - 1 654 x 988 pixels added on 2009-02-23373 viewsFrom reference Schultz, H. (2009). Sea urchins II: Worldwide irregular d... © 2009 Agassiz, Alexander
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