Extensive research on the rocks of the Karoo Supergroup has shown that this sequence. which contains an unsurpassed record of Permian-Jurassic tetrapods. records a largely unbroken stratigraphic succession from 300 Ma to 180 Ma. This Gondwanan succession was deposited in a changing environmental setting reflecting glacial marine through deltaic to fluvial and aeolian desert conditions. https://www.bekindtopets.com/hot-mega-Swish-Supreme-Glide-Track-White-great-pick/