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  2. Trilobite - Wikipedia

    en.wikipedia.org/wiki/Trilobite

    Although intra-species trilobite diversity seems to have peaked during the Cambrian, [30] trilobites were still active participants in the Ordovician radiation event, with a new fauna taking over from the old Cambrian one. [31] Phacopida and Trinucleioidea are characteristic forms, highly differentiated and diverse, most with uncertain ...

  3. Encrinurus - Wikipedia

    en.wikipedia.org/wiki/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

  4. Paradoxides - Wikipedia

    en.wikipedia.org/wiki/Paradoxides

    Paradoxides is a characteristic Middle-Cambrian trilobite of the 'Atlantic' (Avalonian) fauna. Avalonian rocks were deposited near a small continent called Avalonia in the Paleozoic Iapetus Ocean . Avalonian beds are now in a narrow strip along the East Coast of North America, and in Europe.

  5. Paleontology in Illinois - Wikipedia

    en.wikipedia.org/wiki/Paleontology_in_Illinois

    Trilobites were still present and like the Ordovician Silurian rocks are a better source of trilobite fossils than the state's Cambrian deposits. Also like the Ordovician, the superiority of Silurian rocks as a source of trilobites is due to the Silurian rocks being more accessible to collectors than the older ones. [ 1 ]

  6. Olenoides - Wikipedia

    en.wikipedia.org/wiki/Olenoides

    Olenoides followed the basic structure of all trilobites — a cephalon (head shield), a thorax with seven jointed parts, and finally a semicircular pygidium. Its antennae were long, and curved back along its sides. Its thin legs show that it was no swimmer, instead crawling along the sea floor in search of prey.

  7. Category:Trilobites of North America - Wikipedia

    en.wikipedia.org/wiki/Category:Trilobites_of...

    Pages in category "Trilobites of North America" The following 33 pages are in this category, out of 33 total. This list may not reflect recent changes. A.

  8. ‘Today’ host Sheinelle Jones addresses lengthy absence from show

    www.aol.com/today-host-sheinelle-jones-addresses...

    NEW YORK — Sheinelle Jones has finally addressed her absence from “Today,” nearly a month after she disappeared from television screens without any explanation. Jones has been absent from ...

  9. Eldredgeops - Wikipedia

    en.wikipedia.org/wiki/Eldredgeops

    In contrast to the related Phacops, Eldredgeops generally has a raised ridge along the ventral margin of the cephalon, the glabella is more inflated, the lateral parts of the preoccipital ring are rectangular (and not round), the palpebral area and palpebral lobe are larger than in P. latifrons (the type species of Phacops), and there is no ...