Hygrosoma petersii (ambulacral plates)
Description Plates of half an ambulacrum: a. Aboral side: The demiplates lie in the middle of the plates, the pore-pair of the primary plate almost above one demiplate, b. Oral side: The demiplates are in contact with the outer suture.
Scale 3 mm.
Author Mortensen, Theodor
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added on 2011-02-23598 viewsEchinoidea taxaScan of drawing Hygrosoma petersii (A. Agassiz, 1880)checked Kroh, Andreas 2021-02-24From reference Schultz, H. (2011). Sea urchins III: Worldwide regular de...
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© 2011 Mortensen, Theodor