Monday, March 07, 2016

The End of All Things #2

General:

What was the impact of mass extinctions on tetrapod diversity?

Paleozoic:

Permian Triassic Mass Extinction:

Is the Lilliput Effect real and universal during the PT Extinction?

The anoxic conditions of the Permian Extinction's oceans held back life's recovery for a long time into the Triassic.

The Permian-Triassic boundary has been found in Germany.

It was proposed that drought helped caused mass die offs at the PT Extinction.  Some of the evidence is disputed.

Mesozoic:

Toarcian Jurassic Mass Extinction:

What were the impacts of the Toarcian extinction in the oceans?

Jurassic Cretaceous Transition (tithonian mass extinction?)

There is evidence of a strong turnover at the JC Boundary, potentially a mass extinction.

Lower Cretaceous mass extinction:

The lower Cretaceous ocean seems to have gone through a unique event, being anoxic without producing black shales.
 
Cenozoic:

Sixth Mass Extinction:

Humans are causing an acceleration in evolution by wiping out the youngest species.

The University of York has compiled an biological history of the extinction of megafauna on the island of Zanzibar.

People wiped out a tiny island deer in Panama.

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