Pennsylvanian Epoch

By rachelkarp19
  • Period: to

    The Pennsylvanian Period-Clara and Rachel

  • First appearance of conodont species Declinognathodus nodiliferus

    First appearance of conodont species Declinognathodus nodiliferus
    (beginning of the Bashikirian Sub-Division)
  • Period: to

    Bashkirian Sub-Division

  • Atmospheric oxygen levels reach 30%

  • Earth day is approximately 22.4 hours long

    Earth day is approximately 22.4 hours long

  • Rainforests collapse, coal deposits are formed in Europe, Asia, and North America

    Rainforests collapse, coal deposits are formed in Europe, Asia, and North America

  • First appearances of the conodonts Declinognathodus donetzianus and Idiognathoides postsulcatus

    First appearances of the conodonts Declinognathodus donetzianus and Idiognathoides postsulcatus
    (beginning of the Moscovian Sub-Division)
  • Period: to

    Moscovian Sub-Division

  • First appearance of the fusulinid Aljutovella aljutovica

    First appearance of the fusulinid Aljutovella aljutovica

  • First Reptiles!

    First Reptiles!

  • First appearances of the fusulinid genera Daixina, Jigulites and Rugosofusulina

    First appearances of the fusulinid genera Daixina, Jigulites and Rugosofusulina

  • First appearance of ammonite genus Parashumardites.

    First appearance of ammonite genus Parashumardites.
    (beginning of the Kasimovian Sub-Division)
  • Period: to

    Kasimovian Sub-Division

  • first appearance of the Fusulinida genera Daixina, Jigulites and Rugosofusulina

    first appearance of the Fusulinida genera Daixina, Jigulites and Rugosofusulina
    (marks the beginning of the Gzhelian Sub-Division)
  • Period: to

    Gzhelian Sub-Division

  • First appearance of the conodont Streptognathodus isolatus

    First appearance of the conodont Streptognathodus isolatus