Crinoids, sea urchin (cidaridae), and Brittle star.
Paul Flanderky, from Brehms Tierleben (Brehm’s animal life) first volume, under the direction of Alfred Edmund Brehm, Leipzig & Vienna, 1918.

Via oldbookillustrations and archive.org.

Crinoids, sea urchin (cidaridae), and Brittle star.

Paul Flanderky, from Brehms Tierleben (Brehm’s animal life) first volume, under the direction of Alfred Edmund Brehm, Leipzig & Vienna, 1918.

Via oldbookillustrations and archive.org.

(via 50watts)