Plesiodiadema globulosum (apical disc, interambulacral and ambulacral plates)
Description a. Apical system: The periproctal membrane is covered in small plates; b. Interambulacrum; c. Ambulacrum: Every third plate is set with a distinctly larger primary tubercle; d: Ambulacral plates: The interambulacral areoles do not join the ambulacral edge.
no scale, diameter of test 25 mm; d. Scale 2 mm. A,b & c modified from A. Agassiz; d modified from Mortensen
Author Schultz, Heinke
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added on 2011-02-23252 viewsTraits taxaScan of drawing Plesiodiadema globulosum (A. Agassiz, 1898)checked Kroh, Andreas 2021-02-24From reference Schultz, H. (2011). Sea urchins III: Worldwide regular de...
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© 2011 Schultz, Heinke