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| Phacopida | |
|---|---|
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| Dalmanites limulurus, a trilobite of the suborder Phacopina | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | †Trilobita |
| Order: | †Phacopida Salter, 1864 |
| Suborders | |
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Phacopida ("lens-face") is an order of trilobites that lived from the Late Cambrian to the Late Devonian. It is made up of a morphologically diverse assemblage of taxa in three related suborders.
- ^ J.M. Adrain (2014). "20. A synopsis of Ordovician trilobite distribution and diversity". In Harper, D.A.T.; Servais, T. (eds.). Early Palaeozoic Biogeography and Palaeogeography (PDF). Memoirs of the Geological Society of London. Vol. 38. Geological Society of London. p. 490. ISBN 978-1862393738. Archived from the original (PDF) on 2018-10-04. Retrieved 2016-03-27.