Paraceraurus exsul fossil trilobite, St. Petersburg area, Russia
Description:
Description: Harpes perradiatus (Beyrich, 1846) fossil trilobite from the Ordovician of Russia (public display, FMNH PE 60828, Field Museum of Natural History, Chicago, Illinois, USA). Classification: Animalia, Arthropoda, Trilobita, Polymerida, Cheiruridae Stratigraphy: apparently derived from the Asery Formation, Middle Ordovician Locality: St. Petersburg area, Russia. Date: 11 June 2010, 11:13. Source: Paraceraurus exsul fossil trilobite (Asery Formation, Middle Ordovician; St. Petersburg area, Russia) 2. Author: James St. John.
Included On The Following Pages:
- Metazoa (animals)
- Arthropoda (arthropods)
- Trilobita (trilobites)
- Phacopida
- Cheiruridae
- Paraceraurus
- Eukaryota (eukaryotes)
- Opisthokonta (opisthokonts)
- Bilateria
- Protostomia (protostomes)
- Ecdysozoa (ecdysozoans)
- Biota
- Unikonta (unikont)
- Holozoa
- Filozoa
- Apoikozoa
- Eumetazoa
- Trilobitomorpha
- Paraceraurus exsul
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- cc-by-3.0
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- James St. John
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- James St. John
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- Flickr user ID jsjgeology
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- Wikimedia Commons
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