Some of them still exist today. Crinoids are echinoderms, a group that also includes starfish, sea urchins, and sand dollars. What sets crinoids apart, however, is their distinct appearance and ...
I appreciate the point of view of Drs Dupont and Thorndyke, but still insist that the wonderful regenerative capacities of the classes of echinoderms ... brittle stars and crinoids will eventually ...
They belong to the Echinoidea, one of the five classes of the phylum Echinodermata, the others being holothurians, crinoids, starfish and brittlestars. Like all echinoderms, echinoids have a skeleton ...
The diversity and abundance of echinoderm fossils is reflected in the Museum's large, world-class collection. Fossil echinoderms are numerous, due in part to the fantastic preservation potential of ...