Paraceraurus exsul

Paraceraurus exsul
Temporal range: Ordovician
Paraceraurus exsul
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Trilobita
Order: Phacopida
Family: Cheiruridae
Genus: Paraceraurus
Species: P. exsul
Binomial name
Paraceraurus exsul
(Beyrich, 1846)
Synonyms
  • Cheirurus exsul Beyrich, 1846,
  • Cheirurus exsul Schmidt, 1881,
  • Cheirurus exsul Beyr. Schmidt, 1907
  • Paraceraurus exsul (Beyrich, 1846)

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Paraceraurus exsul is a species of trilobite that lived in the Ordovician period (abt 470 Ma) of Russia. These trilobites can reach a length of about 16 centimetres (6.3 in). They show a square front edge, large spines on the cheeks and characteristic long pygidial spines.

References


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