Lystrosaurus ( shovel lizard ) is a genus of Late Permian and Early Triassic Period dicynodont therapsids, which lived around 250 million years ago in what is now Antarctica, India, and South Africa.

Cordylus cataphractus ), also known as the armadillo lizard, golden armadillo lizard or armadillo spiny tailed lizard, is a girdled lizard endemic to desert areas along the western coast of South Africa.

The width of the magnetosphere abreast of Earth, is typically 190,000 km (30 Re), and on the night side a long magnetotail of stretched field lines extends to great distances ( 200 Re).