The Echinoid Directory

Echinoneus cyclostomus Leske, 1778
 

Gonads, aboral view, from Westergren, A. M. 1911 Echini - Echinoneus and Micropetalon. Reports on the Scientific Results of the Expedition “Albatross”. Memoirs of the Museum of Comparative Zoology 39(2).
Stomach, esopahgus & gastric caecum, oral view, from Westergren, A. M. 1911 Echini - Echinoneus and Micropetalon. Reports on the Scientific Results of the Expedition “Albatross”. Memoirs of the Museum of Comparative Zoology 39(2).
Gonads & digestive tract, lateral view, from Westergren, A. M. 1911 Echini - Echinoneus and Micropetalon. Reports on the Scientific Results of the Expedition “Albatross”. Memoirs of the Museum of Comparative Zoology 39(2).