Pennsylvanian Time Period

  • Start of Pennsylvanian Time Period

    Start of Pennsylvanian Time Period
  • Period: to

    Pennsylvanian Time Period

  • Period: to

    Bashkirian Timespan

  • First Appearance of Conodonts

    First Appearance of Conodonts
  • First Appearance of Fusulinids

    First Appearance of Fusulinids
  • Sauropsids (the earliest reptiles) Present

    Sauropsids (the earliest reptiles) Present
  • Synapsids Present

    Synapsids Present
  • Period: to

    Moscovian Timespan

  • Limstone Present and Dominant

    Limstone Present and Dominant
  • All Modern Classes of Fungi

    All Modern Classes of Fungi
  • Dolomite Present and Dominant

    Dolomite Present and Dominant
  • First Appearance of Amonite Genus

    First Appearance of Amonite Genus
  • Period: to

    Kasimovian Timespan

  • Fusulinid Biozone of Obsoletes Obsoletes

    Fusulinid Biozone of Obsoletes Obsoletes
  • Colapse of Rainforest Ecology

    Colapse of Rainforest Ecology
  • Rugosofusulina

    Rugosofusulina
  • Jigulites

    Jigulites
  • Streptoghathodus Zethus

    Streptoghathodus Zethus
  • Daixina

    Daixina
  • Period: to

    Gzhelian Timespan

  • Amniote Egg

    Amniote Egg
  • Tetrapods Present

    Tetrapods Present
  • Streptognathodus Isolatus

    Streptognathodus Isolatus
  • End of Pennslyvanian

    End of Pennslyvanian