†Leptomeryx Leidy 1853 (ruminant)
Mammalia - Artiodactyla - Hypertragulidae
Synonym: Trimerodus Cope 1873
Parent taxon: Hypertragulidae according to H. J. Cook 1934
Sister taxa: Andegameryx, Hypertragulinae, Hypertragulus, Hypisodontinae, Hypisodus, Nanotragulus, Notomeryx, Parvitragulus, Simimeryx
Subtaxa: Leptomeryx blacki, Leptomeryx elissae, Leptomeryx evansi, Leptomeryx exilis, Leptomeryx mammifer, Leptomeryx obliquidens, Leptomeryx significans, Leptomeryx speciosus, Leptomeryx yoderi
Type: Leptomeryx evansi
Ecology: ground dwelling frugivore