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  2. Carboniferous - Wikipedia

    en.wikipedia.org/wiki/Carboniferous

    The Carboniferous (/ ˌ k ɑːr b ə ˈ n ɪ f ər ə s / KAR-bə-NIF-ər-əs) [6] is a geologic period and system of the Paleozoic era that spans 60 million years, from the end of the Devonian Period 358.86 Ma (million years ago) to the beginning of the Permian Period, 298.9 Ma.

  3. Mississippian (geology) - Wikipedia

    en.wikipedia.org/wiki/Mississippian_(geology)

    340 — – −335 — – −330 — ... It is the earlier of two subperiods of the Carboniferous period lasting from roughly 358.9 to 323.2 million years ago. As ...

  4. Weaubleau structure - Wikipedia

    en.wikipedia.org/wiki/Weaubleau_structure

    It is believed to have been caused by a 1,200-foot (370 m) meteoroid between 335 and 340 million years ago [1] during the middle Mississippian Period (Latest Osagean to Earliest Meramecian). It is listed by the Impact Field Studies Group as a "probable" impact structure. [2]

  5. Amniote - Wikipedia

    en.wikipedia.org/wiki/Amniote

    The ancestors of true amniotes, such as Casineria kiddi, which lived about 340 million years ago, evolved from amphibian reptiliomorphs and resembled small lizards. At the late Devonian mass extinction (360 million years ago), all known tetrapods were essentially aquatic and fish-like.

  6. Timeline of human evolution - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_human_evolution

    Two species are described in the literature: A. ramidus, which lived about 4.4 million years ago [32] during the early Pliocene, and A. kadabba, dated to approximately 5.6 million years ago [33] (late Miocene). A. ramidus had a small brain, measuring between 300 and 350 cm 3.

  7. Hidden underground, in shining fool's gold, signs of life ...

    www.aol.com/hidden-underground-shining-fools...

    The pyrite that fossilized the specimen, named Lomankus edgecombei, "preserves critical evidence of the evolution of life in the oceans 450 million years ago," co-author Derek Briggs said in a ...

  8. Eocene - Wikipedia

    en.wikipedia.org/wiki/Eocene

    The Eocene (IPA: / ˈ iː ə s iː n, ˈ iː oʊ-/ EE-ə-seen, EE-oh-[5] [6]) is a geological epoch that lasted from about 56 to 33.9 million years ago (Ma). It is the second epoch of the Paleogene Period in the modern Cenozoic Era.

  9. World’s largest arthropod lived 300 million years ago. Now ...

    www.aol.com/news/300-million-old-fossils-finally...

    Researchers have wondered how an alligator-size arthropod lived more than 300 million years ago. The discovery of an intact Arthropleura head offers new insights. World’s largest arthropod lived ...