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 1-2 cm long skull (averagely 1.4 cm) and pre-sacral length up to 150 cm (averagely 45 cm), while B. newberryi, which have proportionally larger skull than B. elongatus, for specimen with 7.6 mm skull roof had estimated total length of 11 cm, while the largest skull exceeds 3 cm.