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Taxon:
Grandfamily †"
Styracosterna
"
Sereno, 1986, nom. inval.
(dinosaur)
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Entity:
[†Ankylopollexia] (Megafamily)
..[†Styracosterna] (Grandfamily)
....[†Iguanodontoidea] (Hyperfamily)
Concise hierarchy
(Kingdom)
Animalia
-
(Phylum)
Chordata
-
(Class)
Reptilia
-
(Order)
Ornithischia
Original entries
†
Iguanodontoidea
(Hyperfamily)
Hay, 1902
Ref:
P. Sereno, 1986
: 252.
Subsequent entries
†
Probactrosaurus
(Genus)
Rozhdestvenskii, 1966
Ref:
P. Sereno, 1986
: 252.
Current position
†
Ankylopollexia
(Megafamily)
Sereno, 1986, nom. inval.
Ref:
P. Sereno, 1986
: 252.
[
new taxon
]
Historical positions
†
Ankylopollexia
(Megafamily)
Sereno, 1986, nom. inval.
Ref:
P. Sereno, 1986
: 252.
[
new taxon
]
©2004-2026 Universal Taxonomic Services
Last updated:
28 Aug 2026