†subfamily Lerouxiinae Moret 1926 (demosponge)
Demospongiae - Tetralithistida - Siphoniidae
Parent taxon: Siphoniidae according to R. M. Finks et al. 2004
Sister taxa: Phymatellinae, Siphoniinae
Subtaxa: Jereomorpha Lerouxia Mastophoratus
Type: Lerouxia
Ecology: stationary epifaunal suspension feeder
Distribution: found only at Zaprozhnoye, Dniepr River (Oligocene of Ukraine)