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 ...

The star shape of the starfish (five arms) is intriguing to many marine aficionados. But how it came to be is a question not many can answer. It is due to a gap in the fossil record of echinoderms, ...

The diversity of larval forms in marine invertebrates has long fuelled discussion on evolutionary origins of novel features and pathways of evolutionary change. Most phyla of animals are marine, and ...

Scientists have discovered a new species that lived more than 500 million years ago -- a form of ancient echinoderm that was ancestral to modern-day groups such as sea cucumbers, sea urchins, sea ...

Turns out we’ve been looking at starfish all wrong. First, they’re not fish. They belong to a group of marine invertebrates called echinoderms, which also includes sea urchins, sand dollars and sea ...

Along the ocean floor lives an unusual multi-armed creature. No, not the octopus, the starfish: an animal from the echinoderm family known for its spines and bumps and, most importantly for some ...

Marine biologist Dr. Dave Pawson has embarked on over 100 dives to the ocean floor to unravel the mysteries of elusive invertebrates like sea cucumbers and brittle stars Emma Saaty There are few ...

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 ...

image: These are paleozoic hangover asterozoans. Specimen repositories: MHI = Muschelkalkmuseum Ingelfingen; MnhnL = Natural History Museum Luxembourg. Figure courtesy B. Thuy et al., copyright The ...