Cheirurina

Cheirurina is a suborder of the trilobite order Phacopida. Known representatives range from the uppermost Cambrian (upper Furongian) to the end of the Middle Devonian (Givetian).^[1][2] Cheirurina is made up of a morphologically diverse group of related families.

Cheirurina Temporal range: Furongian–Givetian PreꞒ Ꞓ O S D C P T J K Pg N [1]
Ceraurus pleurexanthemus (Cheiruridae)
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Clade:	†Artiopoda
Class:	†Trilobita
Order:	†Phacopida
Suborder:	†Cheirurina
Families
†Cheiruridae †Encrinuridae †Pilekiidae †Pliomeridae