Plain-crowned Spinetail
- kingdom: Animalia
- phylum: Chordata
- class: Aves
- order: Passeriformes
- family: Furnariidae
- genus: Synallaxis
- species: Synallaxis gujanensis
Carandayti
ChuquisacaCobija
Pando
BoliviaBrasiléia
AcreImperatriz
MaranhãoCuiabá
Mato Grosso
BrazilSanta María
BoyacáSan José del Guaviare
Guaviare
ColombiaGeorgetown
Mahaica Village
Demerara-MahaicaMahaicony Village
Mahaica-BerbiceLinden
Upper Demerara-Berbice
GuyanaCusco
Quince Mil
Santa Teresa
CuscoMariposa
Puerto Ocopa
San Ramón
Satipo
JuninPantoja
LoretoPuerto Maldonado
San Lorenzo
Tambopata
Madre de DiosVilla Rica
PascoJuan Guerra
San Martín
PeruParamaribo
Paramaribo
SurinameTucupita
Delta Amacuro
Venezuela