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Monotypic taxon: Order †Yixianornithiformes Zhou & Zhang, 2006 (bird)
 Entity: 

Concise hierarchy

(Kingdom) Animalia - (Phylum) Chordata - (Class) Reptilia

Original position

Ornithurae (Subclass) Haeckel, 1866 Ref: Z. Zhou & F. Zhang, 2006: 79.

Original entries

Yixianornithidae (Family) Zhou & Zhang, 2006 Ref: Z. Zhou & F. Zhang, 2006: 79.

Current position

Ornithuromorpha (Clade) Chiappe 2001 Ref: Z. Zhou & F. Zhang, 2006: 79. [new taxon] [indirect]

Alternative positions

Ornithurae (Subclass) Haeckel, 1866 Ref: Z. Zhou & F. Zhang, 2006: 79. [new taxon]

Historical positions

Ornithurae (Subclass) Haeckel, 1866 Ref: Z. Zhou & F. Zhang, 2006: 79, table 1. [new taxon]

Number of Subtaxa

2024 Available in Systema Naturae 2000 †1f;1g;1s
1989-present Systema Naturae 2000 †[1f];1g;1s
2006 Z. Zhou & F. Zhang: 78, 79 †[1f];1g;1s
1998-present The Paleobiology Database: 15 Feb 2009 [; †1f;1g;1s]
©2004-2024 Universal Taxonomic Services
Last updated: 1 Feb 2024