(Leptocheliidae) (Leptocheliidae) is a biological family of the class Malacostraca and order Tanaidacea (Tanaidaceans).
Hargeria
Heterotanais
Heterotanoides
Leptochelia
Mesotanais
Pseudoleptochelia
Pseudonototanais
Agathotanaidae
Anarthruridae
Anthracocarididae
Apseudellidae
Apseudidae
Colletteidae
Gigantapseudidae
Kalliapseudidae
Leptocheliidae
Leptognathiidae
Metapseudidae
Neotanaidae
Nototanaidae
Pagurapseudidae
Parapseudidae
Paratanaidae
Pseudotanaidae
Pseudozeuxidae
Sphyrapidae
Tanaellidae
Tanaidae
Tanzanapseudidae
Whiteleggiidae