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Last updated on April 21, 2014 at 11:58 EDT

Symmetry in biology Reference Libraries

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Luidia sarsi
2013-08-12 10:57:03

Luidia sarsi is a species of starfish that is classified within the Luidiidae family. It can be found in a range that extends from the Mediterranean Sea to Norway and prefers a habitat in muddy or sandy areas. Adult individuals display pentaradial symmetry or pentamerism with five long arms that are bordered by bands of white spines that occur in groups of three. These arms reach a length of...

Bathocyroe fosteri
2014-01-05 00:00:00

Bathocyroe fosteri is a species of lobate ctenophore found in all oceans around the world. It is typically found at intermediate depths and is very abundant near the Mid-Atlantic Ridge. This deep-sea comb jelly is named for Alvin (DSV-2) pilot Dudley Foster, who is credited with first collecting the specimens. This specimen measures about two inches tall and is bioluminescent. This species,...