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Taxon:
Suborder †
Heterodontosauria
Cooper, 1985
(dinosaur)
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Entity:
[†Euornithopoda] (Hypoorder)
..[†Heterodontosauria] (Suborder)
....[†Xiphosauridae] (Family)
Concise hierarchy
(Kingdom)
Animalia
-
(Phylum)
Chordata
-
(Class)
Reptilia
-
(Order)
Ornithischia
Original position
†
Euornithopoda
(Hypoorder)
Sereno, 1986
Ref:
P. Sereno, 1986
: 252.
Original entries
†
Xiphosauridae
(Family)
Sereno, 1986, nom. inval.
Ref:
P. Sereno, 1986
: 252.
Subsequent entries
†
Abrictosaurus
(Genus)
Hopson, 1975
Ref:
P. Sereno, 1986
: 252.
Current position
†
Euornithopoda
(Hypoorder)
Sereno, 1986
Ref:
P. Sereno, 1986
: 252.
[
new rank
]
Historical positions
†
Euornithopoda
(Hypoorder)
Sereno, 1986
Ref:
P. Sereno, 1986
: 252.
[
new rank
]
©2004-2025 Universal Taxonomic Services
Last updated:
21 Sep 2025