Kingdom Animalia (animals) Eumetazoa (metazoans) Bilateria (bilaterally symmetrical animals) Deuterostomia (deuterostomes) Phylum Chordata (chordates) Craniata (craniates) Subphylum Vertebrata (vertebrates) Superclass Gnathostomata (jawed vertebrates) Euteleostomi (bony vertebrates) Class Sarcopterygii (lobe-finned fishes and terrestrial vertebrates) Tetrapoda (tetrapods) Amniota (amniotes) Class Reptilia (turtles, snakes, lizards, and relatives) Class Aves (birds) Subclass Neognathae (neognath birds) Infraclass Neoaves (modern birds) Order Passeriformes (perching birds) Passerida Sylvoidea (Old World warblers and relatives) Family Sylviidae (Old World warblers) Subfamily Megalurinae (grassbirds and grass warblers) Genus Megalurus Species Megalurus albolimbatus (fly river grassbird) Species Megalurus gramineus (little grassbird) Species Megalurus macrurus (Papuan grassbird) Species Megalurus palustris (striated grassbird) Species Megalurus pryeri (Japanese swamp warbler) Species Megalurus punctatus (fernbird) Species Megalurus timoriensis (tawny grassbird)