
Belongs within: Furnariidae.
Leptasthenura, tit-spinetails, is a genus of furnariids with a short, straight beak and the middle rectrices of the tail much lengthened.
<==Leptasthenura
| i. s.: L. andicolaAP21
| L. setariaJT12
| L. striataJT12
| L. striolataJT12
| L. xenothoraxJT12
|--+--Sylviorthorhynchus desmursiiJT12
| `--L. yanacensisJT12
`--+--L. platensisJT12
`--+--L. pileataJT12
`--+--L. aegithaloidesJT12
`--L. fuliginicepsJT12
*Type species of generic name indicated
References
[AP21] Arlott, N., & B. van Perlo. 2021. Collins Birds of the World. William Collins.
[JT12] Jetz, W., G. H. Thomas, J. B. Joy, K. Hartmann & A. Ø. Mooers. 2012. The global diversity of birds in space and time. Nature 491: 444–448.