This is a part of the well-known and widely distributed Lower Devonian fauna of the southern hemisphere.

III. Upper Carboniferous

All of the Upper Carboniferous lots of fossils represent the well-known South American fauna first noted by d’Orbigny in 1842, and later added to by Orville Derby. The time represented is the equivalent of the Pennsylvanian of North America.

Huascatay between Pasaje and Huancarama.

Pampaconas, Pampaconas valley near Vilcabamba.

Pongo de Mainique. Extreme eastern edge of Peruvian Cordillera.