Phacopida

Translingual

Etymology

Phacops +‎ -ida

Proper noun

†Phacopida

1. A taxonomic order within the class Trilobita – trilobites that lived from the Ordovician to the Devonian periods.

Further reading

• Phacopida on Wikipedia.Wikipedia
• Phacopida on Wikispecies.Wikispecies
• Category:Phacopida on Wikimedia Commons.Wikimedia Commons