Family Naididae Ehrenberg 1828 (worm)
Clitellata - Haplotaxida - Naididae
Parent taxon: Haplotaxida according to C. Erséus et al. 2008
Sister taxa: none
Subtaxa: Tubificinae
Distribution: found only at Rakovník (Rakonitz, Prague collection) (Carboniferous of Czech Republic)