Ericiolacerta was a small therocephalia

Therocephalia

Therocephalians are an extinct suborder of carnivorous eutheriodont therapsids that lived from the middle and late Permian into the Triassic 265.0—245.0 Ma existing for approximately ....

n therapsid from the early Triassic

Triassic

The Triassic is a geologic period and system that extends from about 250 to 200 Mya . As the first period of the Mesozoic Era, the Triassic follows the Permian and is followed by the Jurassic. Both the start and end of the Triassic are marked by major extinction events...

 of South Africa

South Africa

The Republic of South Africa is a country in southern Africa. Located at the southern tip of Africa, it is divided into nine provinces, with of coastline on the Atlantic and Indian oceans...

 and Antarctica. It was around 20 centimetres (7.9 in) in length, with long limbs and relatively small teeth. It was probably fairly active, and ate insects and other small invertebrates.

The fossils suggest that it was an arboreal/terrestrial carnivore, which possibly hunted in packs.