ammonites
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†family Zygodactylidae Brodkorb 1971 (bird)

Amniota - Dinosauria

Synonym: Primoscenidae Harrison and Walker 1977

Parent taxon: Passerimorphae according to G. Mayr 2008

Sister taxa: Coraciiformes, Passeriformes, Piciformes, Sylphornithidae

Subtaxa: Primoscens, Primozygodactylus, Zygodactylus

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Ecology: ground dwelling carnivore