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Psalidoprocne
genus, birds
Nucleotide Protein
Cheramoeca
Alopochelidon
Haplochelidon
Phedina
Alophoixus
Pseudhirundo
Notiochelidon
Delichon
Baeolophus
Pygochelidon
Ptyonoprogne
Petrochelidon
Sylvioidea
superfamily, birds
Riparia
Stelgidopteryx
Progne
Tachycineta
Neochelidon
Atticora
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