Goniocidaris (primary spine dentition)
Description Definition of primary spines: a. "Basal discs" are developed at the base of the shaft being restricted usually to the adapical side and directed towards the centre of the test. b. "Terminal discs" are developed more or less as discs with smooth or indented margins at the distal end of the adapical spines: a. and b. Goniocidaris (Aspidocidaris) parasol.
Author Schultz, Heinke
JPG file - 66.86 kB - 530 x 705 pixels
added on 2011-02-23331 viewsTraits taxaDigital photo, part of species Goniocidaris Desor in Agassiz & Desor, 1846checked Kroh, Andreas 2021-02-24Digital photo, part of species Goniocidaris (Aspidocidaris) parasol Fell, 1958checked Kroh, Andreas 2021-02-24From reference Schultz, H. (2011). Sea urchins III: Worldwide regular de...
© 2011 Schultz, Heinke