Sea stars and their relatives eat, breathe and scuttle around the seafloor with tiny tube feet. Now researchers have gotten their first-ever look at similar tentacle-like structures in an extinct ...

This is a preview. Log in through your library . Abstract Echinoderms have long been characterized by the presence of ambulacra that exhibit pentaradiate symmetry and define five primary body axes. In ...

Deuterostomes are a remarkably diverse super-phylum, including not only the chordates (to which we belong) but groups as disparate as the echinoderms and the hemichordates. The phylogeny of ...

The evolution of the sea star, sea urchin, and other echinoderms’ body shape during the Cambrian and Ordovician periods was faster and more dramatic than their ecological innovation, according to a ...

define the term adaptation. describe adaptations of sea stars. explain how adaptations of animals enable them to survive in different environments. Sea stars, sea urchins, sand dollars and sea ...

The impact on levels of carbon dioxide in the Earth's atmosphere by the decaying remains of a group of marine creatures that includes starfish and sea urchin has been significantly underestimated. The ...

This collaborative studentship is potentially funded by the University of Reading as part of a strategic partnership to support innovative collaborative research between the University and the Natural ...

Not your typical Echinoderm. This female specimen of a Xyloplax seastar was collected along the Juan de Fuca Ridge off the coast of the state of Washington; it measures less than a quarter-inch (4 mm) ...

When I first searched the heaps of seaweeds from Beach Point to Corn Hill, my father Leonard Hansen had rented a ramshackle house that Jack built for two weeks in 1954, a great summer place to launch ...

This is a preview. Log in through your library . Abstract Commensal shrimps associated with echinoderms, molluscs, and coelenterates were collected in Tayrona National Park northeast of Santa Marta ...

This exercise illustrates the two major features that all members of the Phylum Echinodermata have in common - the water vascular system and pentaradial symmetry. The take home message is that all ...