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: [1]
| |
|---|---|
| |
| Ceraurus pleurexanthemus (Cheiruridae) | |
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | †Trilobita |
| Order: | †Phacopida |
| Suborder: | †Cheirurina |
| Families | |
References
edit- ^ a b Sam Gon III. "Order Phacopida". Retrieved November 13, 2010.
- ^ J.M. Adrain (2014). "20. A synopsis of Ordovician trilobite distribution and diversity". In D.A.T. Harper; T. Servais (eds.). Early Palaeozoic Biogeography and Palaeogeography. Memoirs of the Geological Society of London. Vol. 38. Geological Society of London. p. 490. ISBN 978-1862393738.
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