Brachydectes is an extinct genus of lysorophian tetrapods that lived from the Late Carboniferous to the Early Permian. It had a very small head and long body, B. elongatus had long skull (averagely ) and pre-sacral length up to (averagely ), while B. newberryi, which have proportionally larger skull than B. elongatus, for specimen with skull roof had estimated total length of , while the largest skull exceeds .