†family Lethiscidae Wellstead 1982 (tetrapod)
Osteichthyes - Aistopoda - Lethiscidae
Parent taxon: Aistopoda according to C. F. Wellstead 1982
See also Carroll 1988 and Carroll et al. 1998
Sister taxa: Oestocephalidae, Ophiderpetontidae, Phlegethontiidae, Pseudophlegethontiidae
Subtaxa: Lethiscus
Ecology:
Distribution: found only at Wardie Shore, north of Edinburgh (Carboniferous of the United Kingdom)