PaleoDB taxon number: 371705

Synonym: Astur alphonsi Newton and Gadow 1893 (taxon 370422)

Belongs to Circus according to J. F. Clements et al. 2017

Sister taxa: Circus aeruginosus, Circus approximans, Circus assimilis, Circus buffoni, Circus cinereus, Circus cyaneus, Circus dossenus, Circus eylesi, Circus hamiltoni, Circus hudsonius, Circus macrosceles, Circus macrourus, Circus maurus, Circus melanoleucos, Circus pygargus, Circus ranivorus, Circus spilonotus, Circus spilothorax, Circus teauteensis