Phacopina
Encyclopedia
Phacopina is a suborder including many trilobite
s.
Trilobite
Trilobites are a well-known fossil group of extinct marine arthropods that form the class Trilobita. The first appearance of trilobites in the fossil record defines the base of the Atdabanian stage of the Early Cambrian period , and they flourished throughout the lower Paleozoic era before...
s.
External links
- fossilmuseum.net - various photos, some of Phacopina