This video from the USA is about trilobites.
By Bethany Walling, in Oklahoma, USA:
Man unearths treasures of Black Cat Mountain
… Carroll excavates trilobite fossils from Black Cat Mountain just west of Clarita.
Trilobites are ancient marine anthropoids dating back more than 400 million years.
Not “anthropoid” (related to humans); but arthropod (related to lobsters etc.).
He has actually discovered two species of trilobites and one, Cyphaspis carrolli, was named in his honor.
Trilobite evolution: here.
Pingback: Trilobite fossils of Kangaroo Island, Australia | Dear Kitty. Some blog
Pingback: Devonian era animals and plants | Dear Kitty. Some blog
Pingback: Cambrian trilobites from China, new research | Dear Kitty. Some blog
Pingback: Ancient trilobites, new study | Dear Kitty. Some blog