X-Nico

unusual facts about Lower Permian



Amphiscapha

Amphiscapha is a fossil gastropod mollusk, or less likely a monoplacophoran, genus from the Pennsylvanian and Lower Permian of North and South America, included in the family Euomphalidae.

Meganisoptera

A general problem with all oxygen related explanations of the giant dragonflies is the circumstance that very large Meganeuridae with a wing span of 45 cm also occurred in the Upper Permian of Lodève in France, when the oxygen content of the atmosphere was already much lower than in the Carboniferous and Lower Permian.


see also

Monuran trackway

The Monuran trackway is a fossil trackway in the Robledo Mountains of New Mexico, produced by the extinct insect group called Monura, (meaning "one-tail"), from the Lower Permian.