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Hypsilophodon foxii

Reptilia

Taxonomy
Hypsilophodon foxii was named by Huxley (1870). Its type specimen is BMNH R.197, a partial skeleton, and it is a 3D body fossil. Its type locality is Hypsilophodon Bed, Cowleaze Chine, which is in a Barremian terrestrial marl/claystone in the Wessex Formation of the United Kingdom.

It was recombined as Iguanodon foxii by Owen (1873) and Owen (1874); it was corrected as Hypsilophodon foxi by Gadow (1901).

Synonymy list
YearName and author
1870Hypsilophodon foxii Huxley p. 7
1873Iguanodon foxii Owen p. 531
1874Iguanodon foxii Owen pp. 4-16
1882Hypsilophodon foxii Dollo
1882Hypsilophodon foxii Hulke p. 138
1882Hypsilophodon foxii Quenstedt p. 188
1885Hypsilophodon foxii Woodward pp. 11-12
1888Hypsilophodon foxii Lydekker p. 193
1889Hypsilophodon foxii Bristow et al. p. 13
1890Hypsilophodon foxi Woodward and Sherborn p. 234
1890Hypsilophodon foxi Zittel p. 757
1895Hypsilophodon foxii Marsh p. 687
1896Hypsilophodon foxii Marsh p. 230 figs. Pl. 84
1900Hypsilophodon foxii Nopcsa p. 576
1900Hypsilophodon foxi Van Den Broeck p. 86
1901Hypsilophodon foxi Gadow p. 427
1901Hypsilophodon foxii Nopcsa p. 209
1902Hypsilophodon foxii Nopcsa p. 151
1910Hypsilophodon foxii Versluys p. 222
1926Hypsilophodon foxii Parks p. 4
1936Hypsilophodon foxii Swinton p. 213
1936Hypsilophodon foxi Swinton p. 574
1939Hypsilophodon foxi Jackson p. 67
1964Hypsilophodon foxii Kuhn p. 6
1964Hypsilophodon foxii Tatarinov p. 555
1965Hypsilophodon foxii Simmons p. 68
1970Hypsilophodon foxii Swinton p. 198
1971Hypsilophodon foxii Galton p. 45
1973Hypsilophodon foxii Galton and Jensen p. 131
1974Hypsilophodon foxii Galton p. 18
1974Hypsilophodon foxii Thulborn p. 157
1975Hypsilophodon foxii Galton pp. 745-746
1975Hypsilophodon foxii Galton and Jensen pp. 668-669
1975Hypsilophodon foxii Thulborn p. 99
1978Hypsilophodon foxii Blows p. 22
1979Hypsilophodon foxii Galton and Jensen pp. 1-2 fig. 1
1979Hypsilophodon foxii Jurcsak and Popa p. 40
1982Hypsilophodon foxii Galton p. 144
1983Hypsilophodon foxi Blows p. 304
1983Hypsilophodon foxii He and Cai p. 7
1983Hypsilophodon foxii Weishampel and Weishampel p. 44
1984Hypsilophodon foxii Callison and Quimby p. 206
1987Hypsilophodon foxii Buscalioni and Sanz p. 66
1987Hypsilophodon foxii Sanz et al. p. 62
1988Hypsilophodon foxii Rich et al. p. 1405
1989Hypsilophodon foxii Frances and Sanz p. 141
1989Hypsilophodon foxii Galton p. 218
1989Hypsilophodon foxii Hutt et al. p. 145
1990Hypsilophodon foxii Sues and Norman p. 500
1991Hypsilophodon foxii Weishampel et al. p. 207
1992Hypsilophodon foxi Cheevely and Chapman p. 347
1992Hypsilophodon foxii Weishampel and Heinrich p. 171
1994Hypsilophodon foxii Molnar and Wiffen p. 694
1994Hypsilophodon foxii Torres and Viera p. 5
1997Hypsilophodon foxii Norman p. 784
1997Hypsilophodon foxii Sues p. 357
1998Hypsilophodon foxii Blows p. 32
1998Hypsilophodon foxii Godefroit et al. p. 49
1999Hypsilophodon foxii Casanovas et al. p. 348
1999Hypsilophodon foxii Cuenca-Bescós et al. p. 249
2001Hypsilophodon foxii Naish and Martill p. 67
2002Hypsilophodon foxii Buchholz p. 19
2003Hypsilophodon foxii Ruiz-Omeñaca and Canudo p. 274
2004Hypsilophodon foxii Norman p. 436
2004Hypsilophodon foxii Norman et al. p. 395
2004Hypsilophodon foxii Rinehart et al. p. 104A
2004Hypsilophodon foxii Stanford et al. p. 257
2005Hypsilophodon foxii Galton and Molnar p. 13
2006Hypsilophodon foxii Pereda Suberbiola et al. p. 227
2006Hypsilophodon foxii Torcida Fernández-Baldor p. 112
2007Hypsilophodon foxii Galton p. 33 fig. 2.14
2007Hypsilophodon foxii Naish and Martill p. 493
2007Hypsilophodon foxii Ruiz-Omeñaca et al. p. 9
2007Hypsilophodon foxii Sánchez-Hernández et al. p. 202
2008Hypsilophodon foxii Butler and Galton p. 636
2008Hypsilophodon foxii Butler et al. pp. 9-10
2008Hypsilophodon foxii Irmis and Knoll p. 121
2008Hypsilophodon foxii Naish and Martill p. 617
2009Hypsilophodon foxii Butler and Galton p. 636
2009Hypsilophodon foxii Butler and Sullivan p. 26
2009Hypsilophodon foxii Butler and Zhao p. 66
2009Hypsilophodon foxii Godefroit et al.
2010Hypsilophodon foxii McDonald et al. p. 33 fig. 39
2010Hypsilophodon foxii McDonald et al. p. 808 fig. 10
2012Hypsilophodon foxii Han et al. p. 1370
2012Hypsilophodon foxii Néraudeau et al. p. 11
2012Hypsilophodon foxii Ruiz-Omeñaca et al. p. 436
2013Hypsilophodon foxii Brown et al. p. 504
2013Hypsilophodon foxii Cobos and Gascó p. 20
2013Hypsilophodon foxii Zheng et al.
2014Hypsilophodon foxii Allain et al. p. 129
2014Hypsilophodon foxii Dieudonné et al. p. 73
2014Hypsilophodon foxii Verdú et al. p. 121
2015Hypsilophodon foxii Verdú et al. p. 256
2016Hypsilophodon foxii Becerra et al. p. 558
2016Hypsilophodon foxii Dieudonné et al. p. 2
2016Hypsilophodon foxii Fuentes Vidarte et al. p. 440
2016Hypsilophodon foxii Hübner p. 323
2018Hypsilophodon foxii Bell et al. p. 12
2018Hypsilophodon foxii Herne et al. p. 6
2018Hypsilophodon foxii Madzia et al. p. 969
2019Hypsilophodon foxii Andrzejewski et al. p. 8
2019Hypsilophodon foxii Bell et al. p. 3
2019Hypsilophodon foxii Cruzado-Caballero et al. p. 213
2019Hypsilophodon foxii Herne et al. p. 552
2019Hypsilophodon foxii Ibiricu et al. p. 280
2020Hypsilophodon foxii Breeden and Rowe p. 2
2020Hypsilophodon foxii Dieudonné et al. p. 404
2021Hypsilophodon foxii Breeden et al. p. 11
2023Hypsilophodon foxii Manitkoon et al. p. 5

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
—Sauropsida
classReptilia
subclassEureptilia()
RankNameAuthor
—Romeriida
—Diapsida()
—Archosauromorpha(Huene 1946)
—Crocopoda
—ArchosauriformesGauthier 1986
—Eucrocopoda
—Archosauria()
informalAvemetatarsalia
—Ornithodira
—Dinosauromorpha
—Dinosauriformes
—Dinosauria()
—Ornithischia()
—Genasauria
—Cerapoda
—Ornithopoda()
—Clypeodonta
—Hypsilophodontidae()
genusHypsilophodon
speciesfoxii

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

†Hypsilophodon foxii Huxley 1870
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Diagnosis
ReferenceDiagnosis
R. J. Butler et al. 2008A large foramen in the ascending process of the maxilla that communicates medially with the antorbital fossa.
Measurements
No measurements are available
Composition: hydroxyapatiteo
Entire body: yesg
Adult length: 10 to < 100o
Adult width: 1.0 to < 10o
Adult height: 1.0 to < 10o
Architecture: compact or denseo
Ontogeny: accretion, modification of partso
Grouping: gregariouso
Environment: terrestrialg
Locomotion: actively mobileg
Life habit: ground dwellingg
Diet: herbivoreg
Reproduction: oviparouso
Dispersal: direct/internalo
Dispersal 2: mobileo
Created: 2005-08-25 06:00:48
Modified: 2005-12-28 16:45:08
Source: g = genus, o = order
References: Peczkis 1995, Marsh 1875

Age range: base of the Barremian to the top of the Late/Upper Barremian or 129.40000 to 125.45000 Ma

Collections (2 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Barremian130.0 - 125.45United Kingdom (England) Iguanodon mantelli, Iguanodon sp. (type locality: 26791)
Barremian129.4 - 125.0United Kingdom (England) Hypsilophodon foxii (22687)