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 | ... IORNITHID ... (17 elements)bg (1) : THRESKIORNITHIDAE cs (1) : THRESKIORNITHIDAE el (1) : THRESKIORNITHIDAE en (3) : HELIORNITHIDAE · SOPHIORNITHIDAE · THRESKIORNITHIDAE es (2) : HELIORNITHIDAE · THRESKIORNITHIDAE fr (5) : HELIORNITHIDAE · THRESKIORNITHIDAE · THRESKIORNITHIDE · THRESKIORNITHIDES it (1) : THRESKIORNITHIDAE nl (1) : SOPHIORNITHIDAE pt (1) : THRESKIORNITHIDAE tr (1) : THRESKIORNITHIDAE |
 | ... IORNITHI ... (19 elements) HELIORNITHIDAE · SOPHIORNITHIDAE · THRESKIORNITHIDAE · THRESKIORNITHIDE · THRESKIORNITHIDES · THRESKIORNITHINAE ... ORNITHID ... (48 elements) ATRICHORNITHIDAE · CONFUCIUSORNITHIDAE · DROMORNITHIDAE · ELEUTHERORNITHIDAE · HORUSORNITHIDAE · MESITORNITHIDAE · PELAGORNITHIDAE · RHABDORNITHIDES · STEATORNITHIDAE · TERATORNITHIDAE |
 | ... HIORNITHID ... (2 elements) SOPHIORNITHIDAE ... IORNITHIDA ... (14 elements) HELIORNITHIDAE · SOPHIORNITHIDAE · THRESKIORNITHIDAE ... IORNITHIDE ... (3 elements) THRESKIORNITHIDE · THRESKIORNITHIDES ... KIORNITHID ... (12 elements) THRESKIORNITHIDAE · THRESKIORNITHIDE · THRESKIORNITHIDES ... LIORNITHID ... (3 elements) HELIORNITHIDAE |