The Echinoid Directory

Strongylocentrotus droebachiensis (Müller, 1776)

Gonads & intestine, aboral view, from Agassiz, A. 1872. Revision of the Echini. Illustrated Catalogue of the Museum of Comparative Zoology 7.
Stomach & intestine, aboral view, from Agassiz, A. 1872. Revision of the Echini. Illustrated Catalogue of the Museum of Comparative Zoology 7.
Oesophagus, stomach, intestine & Aristotle's lantern, aboral view, from Agassiz, A. 1872. Revision of the Echini. Illustrated Catalogue of the Museum of Comparative Zoology 7.