Rio de Janeiro antwren

Rio de Janeiro antwren
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Order: Passeriformes
Family: Thamnophilidae
Genus: Myrmotherula
Species:
M. fluminensis
Binomial name
Myrmotherula fluminensis
Gonzaga, 1988
Synonyms

Myrmotherula luctuosa

The Rio de Janeiro antwren (Myrmotherula fluminensis) is a bird in subfamily Thamnophilinae of family Thamnophilidae, the "typical antbirds". It is endemic to Brazil.