Tetrapygus niger (test, oral)
Description Oral side: The pore zones are conspicuously widened at the peristomial edge. Consequently the interambulacra are narrow. The buccal notches are shallow and tags small.
Test diameter 64 mm; Caldera, Northern Chile.
Author Schultz, Heinke
JPG file - 253.54 kB - 1 102 x 1 134 pixels
added on 2005-02-23262 viewsEchinoidea taxaDigital photo, part of species Tetrapygus niger (Molina, 1782) accepted as Arbacia nigra (Molina, 1782)checked Kroh, Andreas 2021-02-24From reference Schultz, H. (2006). Sea urchins: A guide to worldwide sha...
© 2005 Schultz, Heinke