Molting, that periodic ritual in which arthropods shed and replace their outer skeletons, can be a dangerous time for the creatures. Just ask the trilobite. Research published by a Michigan State ...

Researchers formally describe Helmetia expansa, offering new insights into its anatomy, behavior and evolutionary relationships. For over a century, the Cambrian arthropod Helmetia expansa remained a ...

Learn about the wide-ranging Ecdysozoa group of animals and how scientists solved the curious case of their nervous systems' structure. With so many elusive creatures occupying the forgotten corners ...

Arthropods, including insects, spiders, and crustaceans, are covered by a hard exoskeleton that protects their soft innards and helps them get around. Molting, or shedding this shell, is necessary for ...

How does having an exoskeleton limit growth in arthropods? originally appeared on Quora: the knowledge sharing network where compelling questions are answered by people with unique insights. Answer by ...

For over a century, the Cambrian arthropod Helmetia expansa remained a mystery. Discovered by paleontologist Charles Doolittle Walcott in 1918, it was initially classified as a crustacean. Despite ...