Freshwater crustaceans

At first glance, Triops may look like tiny alien creatures gliding through shallow water. With their shield-like bodies, multiple legs, and long tail filaments, they seem almost prehistoric — and in many ways, they truly are. Often called “living fossils,” Triops are among the oldest surviving animal species on Earth, with a lineage stretching back more than 220 million … [Read more...] about Living Fossils in the Palm of Your Hand: The Wondrous Secrets of “Triops”