Article · Wikipedia archive · Last revised Aug 6, 2026

Encrinurus

Encrinurus is a long-lived genus of phacopid trilobites that lived in what are now Africa, Asia, Australia, Europe, North America, and South America from the middle Ordovician to the early Devonian from 472 to 412.3 mya, existing for approximately 59.7 million years.

Last revised
Aug 6, 2026
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Encrinurus
Fossil of E. egani from the Racine Dolomite
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Arthropoda
Clade: Artiopoda
Class: Trilobita
Order: Phacopida
Family: Encrinuridae
Genus: Encrinurus
Emmrich, 1844

Encrinurus is a long-lived genus of phacopid trilobites that lived in what are now Africa, Asia, Australia, Europe, North America, and South America from the middle Ordovician to the early Devonian from 472 to 412.3 mya, existing for approximately 59.7 million years.1

Taxonomy

Encrinurus was named by Emmrich in 1844.2 Jell and Adrain (2003) list it as a currently valid genus name within the Phacopida, specifically within the Encrinuridae.3

References

References

  1. PaleoBiology Database: Encrinurus, basic info
  2. H. F. Emmrich. 1844. Zur Naturgeschichte der Trilobiten
  3. P. A. Jell and J. M. Adrain. 2003. Available generic names for trilobites. Memoirs of the Queensland Museum 48(2):331-553
Further reading

Further reading

  • Fossils (Smithsonian Handbooks) by David Ward
  • Trilobites by Riccardo Levi-Setti
  • Invertebrate Palaeontology and Evolution by E.N.K. Clarkson
  • Trilobites: Common Trilobites of North America (A NatureGuide book) by Jasper Burns