One division within this period is marked by the appearance of Pseudostaffella antiqua.
One division within this period is marked by the appearance of Pseudostaffella antiqua. Containinginternal stages such as the Serpukhovian, Bashkirian and Gzhelian, it saw Laurasia and what wouldbecome China enclosing the Paleo-Tethys Sea. During it, the 6-foot long centipede Arthropleura andMeganeura, a dragonfly with a wingspan over 2 feet, thrived. Formation of the (*) Urals began duringit. It saw the emergence of the amniote egg, which allowed eggs to be borne on land. This period wascharacterized by large rainforests, which later died to give this period its name. For 10 points, name thisperiod divided into the Mississippian and Pennsylvanian, occurring from 359 to 299 million years ago,named for its coal-creating swamps.
One division within this period is marked by the appearance of Pseudostaffella antiqua.
Carboniferous Period