Other Scientific Names
Certhiaxis mustelina [BirdLife International (2004)], Certhiaxis mustelina [Sibley and Monroe (1990, 1993)], Certhiaxis mustelina [Stotz et al. (1996)]
R Amazon and some major tributaries in north-eastern Peru (southern along R Ucayali), extreme south-eastern Colombia (south-eastern Amazonas) and Brazil (east to extreme eastern Pará, including lower R Juruá and lower R Purus, and southern along R Madeira to near Bolivian border).
 
Population
Estimated population is unknown (2010).
Red-and-white Spinetail (Certhiaxis mustelinus) [XC493799]
by Juha Honkala from Iranduba, Amazonas, Brazil (song)
Red-and-white Spinetail (Certhiaxis mustelinus) [XC206739]
by Peter Boesman from Carauari, State of Amazonas, Brazil (song)
Subspecies
No subspecies.
Some authors include Cranioleuca in present genus because of general morphological similarities, but most treat them as separate genera because of differences in nest structure.
Proposed subspecies frenatus (from eastern Brazil) is not diagnosable.