KIDS TRIVIA

Detailed explanation-1: -Trilobites as arthropods Arthropods are the most species-rich animal phylum living today, and have been the most diverse group of multicellular animals since the Early Cambrian.

Detailed explanation-2: -Research published by a Michigan State University paleontologist suggests that an inconsistent molting style, coupled with inefficient physiology, contributed to the demise of these prehistoric relatives of today’s crabs and lobsters nearly 250 million years ago.

Detailed explanation-3: -Unfortunately, no. They went extinct during a series of cataclysmic extinction events during the Permian period. The closest extant relative would be the modern horseshoe crab.