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Temporal range: Holocene
Sylviornis neocaledoniae skull fragment and tibia, Muséum national d'histoire naturelle, Paris
Scientific classification e
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Aves
Clade: Pangalliformes
Family: Sylviornithidae
Mourer-Chauviré & Balouet, 2005

Sylviornithidae is an extinct family of flightless birds. Traditionally assumed to be within Galliformes, recent phylogenetic studies showcase that they rest outside of the galliform crown-group, making them the most recently lived non-galliform Pangalliformes.[1] For many years it was considered a monotypic family consisting of Sylviornis alone, but recent studies show that Megavitiornis was part of this clade as well.[1]


  1. ^ a b Worthy, T., Mitri, M., Handley, W., Lee, M., Anderson, A., Sand, C. 2016. Osteology supports a steam-galliform affinity for the giant extinct flightless birds Sylviornis neocaledoniae (Sylviornithidae, Galloanseres). PLOS ONE. doi: 10.1371/journal.pone.0150871