Parent: Synallaxis

└─ Synallaxis gujanensis (Plain-crowned spinetail)

└─── Synallaxis gujanensis canipileus

└─── Synallaxis gujanensis certhiola

└─── Synallaxis gujanensis columbiana

└─── Synallaxis gujanensis gujanensis

└─── Synallaxis gujanensis huallagae

└─── Synallaxis gujanensis inornata