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Showing results for "Echinoderms"
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The sea star Odontaster validus and sea urchin Sterechinus neumayeri are often found living in association with one another along the Antarctic coastline, here during the Census of Marine Life.
overview

Echinoderms

Beachcombers and tide pool explorers may be familiar with sea stars, sea urchins,...
February 2022
Small orange brittlestars on the coast of the Atlantic.
Photo

An Invasive Brittlestar

These brittlestars (Ophiothela mirabilis) are not where they belong. These animals,...
Nine small invertebrates held on two fingers.
Photo

A Handful of Biodiversity

Fitting nine of anything on two fingers is impressive. These mollusks and...
This purple urchin Paleopneustes cristatus is seldom seen by itself, and can be found in groups of hundreds.
Photo

Purple Sea Urchin

This purple urchin Paleopneustes cristatus is seldom seen by itself, and...
This small sea star, little more than an inch across, is orange on top and whitish underneath.
Photo

Little Sea Star

It’s an honor to have something or someone named after you. Dr. David Pawson,...
Illustration of the Paleozoic shallow water habitat.
Photo

A Mississippian Marine Habitat (359 - 318 Million Years Ago)

Crinoids (echinoderms related to sea stars and sea urchins) dominate the Paleozoic...
A zoomed-in image of the crown-of-thorns sea star.
Photo

Acanthaster planci

Scientists have been studying why populations of crown-of-thorns sea stars...
A brachiopod looks like a clam, but they aren't closely related.
Photo

A Modern Day Brachiopod

Brachiopods are an ancient group of organisms, at least 600 million years old....
Nine small invertebrates held on two fingers.
Personal Perspectives

On Biodiversity: Understanding its Meaning and Importance

The ocean is home to a phenomenal diversity of marine organisms. They have evolved...
August 2011
a black and white photo of a woman holding a glass award
Article

Dr. Marian Pettibone, A Woman of Firsts

Sixty years ago, when women more commonly assumed roles as secretaries or...
March 2023
A zoomed-in image of the crown-of-thorns sea star.
Article

A Plague of Sea Stars

Sea stars are important members of marine ecosystems, especially in the tropics. We...
May 2011
A sea toad from the deep waters off of Curacao.
slideshow

Collections from Curaçao

During the 2012 field season of the Deep Reef Observation Project (DROP) in...
Mon, 08/13/2012 - 09:30

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