Class Trilobita | Rank Suborder | |
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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). Cheirurina is made up of a morphologically diverse group of related families.
References
Cheirurina Wikipedia(Text) CC BY-SA