Rhopalocidaris gracilis (apical plates + spine cortical hair)
Description Apical plates of male (left) and female (middle); cortical hair on primary spine (right).
Left: Scale 4 mm, Right: Scale 250 µ.
Author Mortensen, Theodor
JPG file - 70.38 kB - 847 x 395 pixels
added on 2011-02-23196 viewsEchinoidea taxaScan of drawing Rhopalocidaris gracilis (Döderlein, 1885)checked Kroh, Andreas 2021-02-24From reference Schultz, H. (2011). Sea urchins III: Worldwide regular de...
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© 2011 Mortensen, Theodor