Parent: Ramphocaenus

└─ Ramphocaenus melanurus (Long-billed gnatwren)

└─── Ramphocaenus melanurus albiventris

└─── Ramphocaenus melanurus amazonum

└─── Ramphocaenus melanurus ardeleo

└─── Ramphocaenus melanurus austerus

└─── Ramphocaenus melanurus badius

└─── Ramphocaenus melanurus duidae

└─── Ramphocaenus melanurus griseodorsalis

└─── Ramphocaenus melanurus melanurus

└─── Ramphocaenus melanurus obscurus

└─── Ramphocaenus melanurus pallidus

└─── Ramphocaenus melanurus panamensis

└─── Ramphocaenus melanurus rufiventris

└─── Ramphocaenus melanurus sanctaemarthae

└─── Ramphocaenus melanurus sticturus

└─── Ramphocaenus melanurus trinitatis