Class Trilobita Rank Species | ||
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Similar Paraceraurus, Illaenus tauricornis, Pliomera, Cnemidopyge, Hypodicranotus | ||
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
Paraceraurus exsul Wikipedia(Text) CC BY-SA