Description Scale bar represents 10 mm.
from Vaziri, M. R. & Arab, A. L. 2012. Two new species of Arbacioid echinoids (genus Goniopygus) from the Aptian sediments of Baghin area (Kerman, Iran). Iranian Journal of Science & Technology A3, 231-237.JPG file - 49.99 kB - 590 x 462 pixels