Animalia | Chordata | Aves | Passeriformes | Tyrannidae | Empidonax
Biota | Animalia | Chordata | Vertebrata | Gnathostomata | Osteichthyes | Sarcopterygii | Tetrapoda | Amniota | Aves | Passeriformes | Tyrannidae | Empidonax | Empidonax oberholseri
COL:5T6MX | COL:N | COL:CH2 | COL:8V4V3 | COL:8V4V5 | COL:8VVWB | COL:8VSMX | COL:9CK8W | COL:8VLBH | COL:V2 | COL:3RL | COL:HMW | COL:4BC4 | COL:39HWL
|  |  |  |  |  |  |  |  |  |  |  | Cabanis, 1855 | A. R. Phillips, 1939