Lysorophians

Lysorophia is an order of fossorial Carboniferous and Permian tetrapods within the Recumbirostra. Lysorophians resembled small snakes, as their bodies are extremely elongate. There is a single family, the Molgophidae (previously known as Lysorophidae). Currently there are around five genera included within Lysorophia, although many may not be valid.

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 .