The Trilobite: Ancient Marine Arthropods and Their Role in Earth’s History
Trilobites are among the most well-known groups of extinct marine arthropods, known for their distinctive three-lobed, three-segmented exoskeleton. First appearing around 521 million years ago during the early Cambrian Period and thriving until their extinction about 252 million years ago at the end of the Permian Period, trilobites were incredibly diverse and successful, leaving behind ...










