A class of echinoderms that includes crinoids, characterized by a cup-like body and feathery arms. Calyx: The cup-shaped part of a crinoid that houses the internal organs. Echinodermata: A phylum ...

DR. HUBERT LYMAN CLARK‘S large work, "Echinoderms from Australia", was reviewed in Nature of September 24, 1938. That review and the obituary notice of Dr. Clark in Nature of September 20 ...

But it actually belongs to the phylum of echinoderms, closely related to starfish (aka sea stars), sand dollars, sea urchins and sea lilies. Many sea cucumber species can be found in a variety of ...

Feather starfish resting on coral Feather starfish. Crinoids are marine animals that make up the class Crinoidea of the echinoderms (phylum Echinodermata) resting on coral of Raja Ampat raja stock ...

Comparative studies on the development of nervous systems have a significant impact on understanding animal nervous system evolution. Nevertheless, an important question is to what degree neuronal ...

Creative Commons (CC): This is a Creative Commons license. Attribution (BY): Credit must be given to the creator. Sea urchins display complex bioelectric activity patterns, even with their ...

The deadly fires roaring through Los Angeles County continued Thursday, leaving at least five people dead, over 1,000 structures destroyed and around 130,000 people forced to evacuate, and ...