Family Pterotracheidae Rafinesque 1814 (snail)
Gastropoda - Pterotracheoidea - Pterotracheidae
Synonym: Firolidae Rafinesque 1815
Parent taxon: Pterotracheoidea according to P. Bouchet et al. 2005
See also Beesley 1998, Jeffery 2003 and Ponder and Warén 1988
Sister taxa: Bellerophinidae, Carinariidae, Atlantacea, Atlantidae
Subtaxa: Firoloida Pterotrachea
Ecology: nektonic carnivore
Distribution: found only at Unterstürmig brick pit (Jurassic of Germany)