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Pachyrhinosaurus canadensis

Reptilia - Ceratopsidae

Taxonomy
Pachyrhinosaurus canadensis was named by Sternberg (1950). Its type specimen is NMC 8867, a skull, and it is a 3D body fossil. Its type locality is Pachyrhinosaurus type, Little Bow River, which is in a Campanian/Maastrichtian terrestrial claystone in the St. Mary River Formation of Canada. It is the type species of Pachyrhinosaurus.

Synonymy list
YearName and author
1950Pachyrhinosaurus canadensis Huene p. 348
1950Pachyrhinosaurus canadensis Sternberg pp. 109-110
1964Pachyrhinosaurus canadensis Kuhn p. 61
1964Pachyrhinosaurus canadensis Russell p. 16
1964Pachyrhinosaurus canadensis Tatarinov p. 588
1966Pachyrhinosaurus canadensis Russell p. 25
1967Pachyrhinosaurus canadensis Charig p. 717
1967Pachyrhinosaurus canadensis Langston pp. 172-173
1968Pachyrhinosaurus canadensis Langston p. 1304
1975Pachyrhinosaurus canadensis Langston p. 1578
1976Pachyrhinosaurus canadensis Langston p. 126
1984Pachyrhinosaurus canadensis Russell p. 33
1990Pachyrhinosaurus canadensis Dodson p. 241 fig. 17.4
1990Pachyrhinosaurus canadensis Dodson and Currie p. 611
1996Pachyrhinosaurus canadensis Lehman p. 506
1997Pachyrhinosaurus canadensis Eberth p. 201
2000Pachyrhinosaurus canadensis Currie p. 277
2001Pachyrhinosaurus canadensis Eberth et al. p. 61
2003Pachyrhinosaurus canadensis Sullivan and Lucas p. 102A
2004Pachyrhinosaurus canadensis Dodson et al. p. 495
2004Pachyrhinosaurus canadensis Sullivan and Lucas p. 120A
2005Pachyrhinosaurus canadensis Ryan and Russell pp. 1381-3 fig. 10
2006Pachyrhinosaurus canadensis Campione and Holmes p. 1014
2008Pachyrhinosaurus canadensis Currie et al. p. 18
2009Pachyrhinosaurus canadensis Hieronymus et al. p. 1371
2010Pachyrhinosaurus canadensis McDonald and Horner p. 159
2010Pachyrhinosaurus canadensis Ryan et al. p. 186
2011Pachyrhinosaurus canadensis Brown and Druckenmiller p. 1350
2011Pachyrhinosaurus canadensis Farke et al. p. 691
2011Pachyrhinosaurus canadensis McDonald p. 1
2012Pachyrhinosaurus canadensis Fiorillo and Tykoski
2013Pachyrhinosaurus canadensis Tykoski and Fiorillo p. 487
2015Pachyrhinosaurus canadensis Evans et al. p. 648
2016Pachyrhinosaurus canadensis Lund et al. p. 14
2020Pachyrhinosaurus canadensis Sakagami and Kawabe p. 2

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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()
—Romeriida
—Diapsida()
—Archosauromorpha(Huene 1946)
RankNameAuthor
—Crocopoda
—ArchosauriformesGauthier 1986
—Eucrocopoda
—Archosauria()
informalAvemetatarsalia
—Ornithodira
—Dinosauromorpha
—Dinosauriformes
—Dinosauria()
—Ornithischia()
—Genasauria
—Cerapoda
—Marginocephalia
—Ceratopsia()
infraorderNeoceratopsia
—Coronosauria
superfamilyCeratopsoidea
familyCeratopsidae
subfamilyCentrosaurinae
—Pachyrhinosaurini
genusPachyrhinosaurus
speciescanadensis

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.

†Pachyrhinosaurus canadensis Sternberg 1950
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Diagnosis
No diagnoses are available
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: terrestrialsubo
Locomotion: actively mobileo
Life habit: ground dwellingsubo
Diet: herbivoresubo
Reproduction: oviparouso
Dispersal: direct/internalo
Dispersal 2: mobileo
Created: 2005-08-25 05:46:29
Modified: 2005-08-25 07:46:29
Source: g = genus, subo = suborder, o = order
References: Norman and Weishampel 1991, Marsh 1875, Peczkis 1995

Age range: Early/Lower Maastrichtian or 70.60000 to 66.00000 Ma

Collections (6 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Campanian - Early/Lower Maastrichtian83.5 - 66.0Canada (Alberta) Ceratopsia indet. (type locality: 64352) Pachyrhinosaurus canadensis (34744 52071 52072 52249)
Early/Lower Maastrichtian70.6 - 66.0Canada (Alberta) Pachyrhinosaurus canadensis (220119)