What was Earth like during the Mississippian Period?

The Mississippian environment of North America was heavily marine, with seas covering parts of the continent. The North American Pennsylvanian environment was alternately terrestrial and marine, with the transgression and regression of the seas caused by glaciation.

What major events happened during the Carboniferous Period?

The Carboniferous Period: Plants Cover The Earth

• Shifting Continents Create Mountains As Pangea Is Born.
• Invertebrates Contribute To The Formation of Limestone.
• The Lophophorata.
• The Trilobites.
• The placoderms, or armored fish, that had ruled the Devonian seas, became extinct with the end of the Devonian period.

What was the major extinction event of the Mississippian period?

A major marine extinction event, caused by a drop in sea level that hit ammonoids and crinoids especially hard, distinguishes the Mississippian from the Pennsylvanian periods in marine deposits.

What was the environment like in the Mississippian period?

Mississippian Period. Shallow, low-latitude seas and lush, terrestrial swamps covered the interior of the North American continent during the Mississippian Period of the Paleozoic Era , from about 360 to 320 million years ago.

When did the Mississippian period start and end?

Mississippian Time Span Date range: 358.9 million years ago–323.2 million years ago Length: 35.7 million years (0.8% of geologic time) Geologic calendar: December 3 (1 PM)–December 6 (9 PM) (3 days, 8 hours)

What was the Spiro phase of the Mississippian period?

The Harlan phase is marked by the appearance of regional mortuary mound centers located in the alluvial valleys of the major rivers, around which are sedentary habitation sites. The Spiro phase marks the florescence of the Mississippian period.