Fossil echinoderms, including the common Cambrian and Ordovician echinoderms figured here (Fig. 1 from Deline, et al., 2021; request permission to use here) have a rich and diverse fossil record.

Fossil echinoderms—including the edrioasteroid here (Carneyella pilea, Corryville Formation, Dent, Ohio, CMCIP 26324 specimen 12.8 mm wide) attached to a crinoid stem in life position—have a rich and ...

After four years of digging for fossils in a churchyard in York, Pennsylvania, amateur paleontologist Chris Haefner made an intriguing find. "I knew it was worth keeping," he said. He posted his ...

Taphonomy as an indicator of behavior among fossil crinoids / Tomasz K. Baumiller ... [et al.] -- Attachment, facies distribution, and life history strategies in crinoids from the Upper Ordovician of ...

After four years of digging for fossils in a churchyard in York, Pennsylvania, amateur paleontologist Chris Haefner made an intriguing find. “I knew it was worth keeping,” he said. He posted his ...

One of the largest and most important finds of exquisitely preserved Jurassic echinoderms—spiny-skinned marine animals such as starfish and sea urchins—has been uncovered by a University of Birmingham ...

To the untrained eye, the ancient brittle star fossil above looks like what you’d expect of a now-especially-brittle echinoderm. But the fossil is quite rare: It captures the moment at which the ...

To the untrained eye, the ancient brittle star fossil above looks like what you’d expect of a now-especially-brittle echinoderm. But the fossil is quite rare: It captures the moment at which the ...

Fossils, rocks and geological time -- The oldest fossils -- Trilobites and other arthropods -- Ammonites and their relatives -- Superabundant shells -- Invertebrates of all shapes and sizes -- The ...

Researchers have discovered a fossil of the earliest starfish-like animal, which helps us understand the origins of the nimble-armed creature. Researchers from the University of Cambridge have ...

While some indulged in baking through lockdown, a husband-and-wife team discovered an exceptionally large and well-preserved group of Jurassic starfish. By Aina J. Khan LONDON — Millions of years ...