The World Around Us

Trilobite (Asaphus kowalewskii) from the middle Ordovician deposits of the Volkhov River region near St Petersburg, Russia.

Trilobite (Asaphus kowalewskii) from the middle Ordovician deposits of the Volkhov River region near St Petersburg, Russia. It is thought that this species lived partially buried below the sediment surface with its eyestalks protruding as it waited for passing prey. It is found alongside non-eye-stalked trilobites

Credit: photo: DCD