Tropical riparian ecosystems—those found along rivers and wetlands—recovered much faster than expected following the end-Permian mass extinction around 252 million years ago, according to new research ...

An artistic rendering of an evening approximately 252 million years ago during the late Permian in the Luangwa Basin of Zambia. The scene includes several saber-toothed gorgonopsians and beaked ...

v. 1. pt. 1. Upper-Triassic and Liassic faunæ of the exotic blocks of Malla Johar in the Bhot Mahals of Kumaon / by C. Diener (1908). -- pt. 2. Anthracolithic fossils of Kashmir and Spiti / by C.