Taxon,FAD,LAD Calippus_placidus,15.97,10.3 Calippus_sp.,20.43,5.33 Equus_asinus,2.588,0 Equus_caballus,2.588,0 Equus_calobutus,2.588,0.012 Equus_complicatus,2.588,0.0117 Equus_excelsus,3.6,0.0117 Equus_fraternus,1.8,0.0117 Equus_grevyi,1.806,0 Equus_idahoensis,4.9,0.3 Equus_quagga,1.806,0 Equus_scotti,4.9,0.012 Equus_simplicidens,4.9,0.3 Equus_sp.,2.588,0.012 Equus_spp.,2.588,0.012 Pliohippus_pernix,15.97,10.3 Pliohippus_sp.,15.97,2.588 Protohippus_perditus,15.97,5.333 Protohippus_sp.,15.97,1.8 Cormohipparion_goorisi,15.97,13.6 Cormohipparion_ingenuus,12,6.8 Cormohipparion_occidentale,11.62,10.3 Cormohipparion_quinni,15.97,13.6 Cormohipparion_sphenodus,20.43,13.6 Neohipparion_affine,13.6,10.3 Neohipparion_eurystyle,13.6,4.9 Neohipparion_leptode,10.3,4.9 Neohipparion_republicanus,15.97,13.6 Neohipparion_sp.,13.82,4.9 Pliohippus_mirabilis,15.97,13.6 Pseudhipparion_gratum,13.6,10.3 Pseudhipparion_sp.,15.97,5.333