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Taxon: Genus †Parasaurolophus Parks, 1922 (dinosaur)
 Entity: 

Concise hierarchy

(Kingdom) Animalia - (Phylum) Chordata - (Class) Reptilia - (Order) Ornithischia - (Family) Hadrosauridae

Included, by definition, in node-based clade

†Ankylopollexia (Clade) Sereno 1986 Ref: P.C. Sereno, 1998: table 4 (p. 62).
†Hadrosauridae (Clade) Cope 1869 Ref: P.C. Sereno, 1998: table 4 (p. 62).
†Hadrosauriformes (Clade) Sereno 1997 Ref: P.C. Sereno, 1998: table 4 (p. 62).
†Ornithopoda (Clade) Marsh 1881 Ref: P.C. Sereno, 1998: table 4 (p. 61).

Included, by definition, in branch-based clade

†Euornithopoda (Clade) Sereno 1986 Ref: P.C. Sereno, 1998: table 4 (p. 61).
†Hadrosauroidea (Clade) Sereno 1986 Ref: P.C. Sereno, 1998: table 4 (p. 62).
†Iguanodontia (Clade) Dollo 1888 Ref: P.C. Sereno, 1998: table 4 (p. 61).
†Lambeosaurinae (Clade) Parks 1923 Ref: P.C. Sereno, 1998: table 4 (p. 62).
†Styracosterna (Clade) Sereno 1986 Ref: P.C. Sereno, 1998: table 4 (p. 62).

Excluded, by definition, from branch-based clade

†Camptosauridae (Clade) Marsh 1885 Ref: P.C. Sereno, 1998: table 4 (p. 62).
†Dryosauridae (Clade) Milner & Norman 1984 Ref: P.C. Sereno, 1998: table 4 (p. 61).
†Hadrosaurinae (Clade) Lambe 1918 Ref: P.C. Sereno, 1998: table 4 (p. 62).
†Heterodontosauridae (Clade) Romer 1966 Ref: P.C. Sereno, 1998: table 4 (p. 61).
†Hypsilophodontidae (Clade) Dollo 1882 Ref: P.C. Sereno, 1998: table 4 (p. 61).
†Iguanodontidae (Clade) Cope 1869 Ref: P.C. Sereno, 1998: table 4 (p. 62).

Current position

†Lambeosaurinae (Subfamily) Parks, 1923 Ref: J.R. Horner et al., 2004: table 20.1 (p. [442]).

Alternative positions

†Hadrosauridae (Family) Cope, 1869 Ref: R.L. Carroll, 1988: App. (p. 622).
†Lambeosauridae (Family) Parks, 1923 Ref: D. Lambert & the Diagram Group, 1991(1997): 157.

Historical positions

†Lambeosauridae (Family) Parks, 1923 Ref: D. Lambert & the Diagram Group, 1991(1997): 157.
†Lambeosauridae (Family) Parks, 1923 Ref: G. Olshevsky, 1991: 176.
†Hadrosauridae (Family) Cope, 1869 Ref: B. Gardiner et al., 1989: 302.
†Hadrosauridae (Family) Cope, 1869 Ref: R.L. Carroll, 1988: App. (p. 622).
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Last updated: 28 Aug 2026