Concise hierarchy

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

Phylogeny

Node-based clade		Ref: B. Andres, 2021: tbl. 1 (p. 208: "Least inclusive clade").
Reference phylogeny [PhyloCode]		Ref: B. Andres, 2021: fig. 1; 205.

Defined by the most recent common ancestor (and all its descendants) of

†Campylognathoides zitteli (Plieninger, 1894)		Ref: B. Andres, 2021: tbl. 1 (p. 208).
†Quetzalcoatlus northropi Lawson, 1975		Ref: B. Andres, 2021: tbl. 1 (p. 208).

Current position

†Caelidracones (Clade) Unwin 2003

Ref: T.L. Ford, 2005-present: [16 Jul 2026]; Paleofile[16 Jul 2026].

Alternative positions

†Macronychoptera (Clade) Unwin 2003 [Andres 2021]

Ref: B. Andres, 2021: tbl. 1 (p. 208); Andres, 2021: fig. 1.

Historical positions

†Macronychoptera (Clade) Unwin 2003 [Andres 2021]

Ref: B. Andres, 2021: tbl. 1 (p. 208), fig. 1 (p. 206).

Number of Subtaxa

2026	Available in Systema Naturae 2000	†27f;205g;61s
1989-present	Systema Naturae 2000: 9 Aug 2026	[; †27f;205g]
2021	B. Andres: fig. 1 (p. 207)	[; †123g]