A 500-million-year-old fossil from Morocco is helping scientists to answer the evolutionary mystery of how starfish evolved ...

The echinoderm skeleton is equally distinctive, being made of calcite plates with a microstructure that resembles a very holey Swiss cheese.

The echinoderm’s rapid diversification, lack of good preservation and the absence of more than one type specimen for comparing obscure fossil classes presents problems when attempting to explain their ...

The oldest echinoderm faunas have previously been restricted to North America and had a radiate body plan. This discovery of echinoderms from Morocco reveals a diverse range of body forms just 15 ...

Paleozoic echinoderm hangover: Waking up in the Triassic. ScienceDaily . Retrieved June 2, 2025 from www.sciencedaily.com / releases / 2017 / 03 / 170316174220.htm ...

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 ...

All the latest science news on echinoderm from Phys.org. Find the latest news, advancements, and breakthroughs.

Over 7,000 echinoderm species are alive today, and they all share a unique five-part symmetry that defines the group. Like a starfish typically has five arms, ...

With thousands upon thousands of diverse specimens to examine, the researchers hope to learn more about echinoderm evolution during the Jurassic — including the description of several new species.

Paleozoic echinoderm hangover: Waking up in the Triassic Ben Thuy, Natural History Museum Luxembourg, Department of Palaeontology, 24, rue Münster, 2160, 4 Luxembourg; ...

The Museum's Earth Science Echinoderm research focuses on the diversification and evolution of various groups during the Palaeozoic and Mesozoic, particularly starfish, brittle stars, crinoids and the ...

The end-Paleozoic witnessed the most devastating mass extinction in Earth's history so far, killing the majority of species and profoundly shaping the evolutionary history of the survivors.