THE development of Echinoderms from the egg presents one ... grows into the adult sea-urchin, starfish, crinoid, or holothurian—an adult rarely free-floating and generally abiding in one place.

There is no comparable work on crinoids that so concisely introduces crinoid paleontology and the rich fossil record of the group. Anyone with interest in echinoderms, fossil or living, will find a ...

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 ...