Trilobite in India - Aeora Rocks

Trilobites are extinct marine arthropods that lived from the Cambrian Period (around 521 million years ago) to the Permian Period (around 252 million years ago). They were one of the most diverse and abundant groups of organisms during their time, with thousands of species known from fossil records.

Trilobites had a hard exoskeleton divided into three lobes (hence the name "trilobite"), with a distinct head, thorax, and tail section. They varied greatly in size, shape, and lifestyle, with some species being as small as a few millimeters while others reached lengths of over 2 feet.

Trilobite fossils are found worldwide, with particularly well-preserved specimens discovered in places like Morocco, the United States (especially in states like Utah, New York, and Pennsylvania), Canada, China, and the Czech Republic. Fossils are often preserved in shale, limestone, and mudstone formations.