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Pachyrhinosaurus

Reptilia - Ceratopsidae

Synonymy list
YearName and author
1950Pachyrhinosaurus Huene p. 351
1950Pachyrhinosaurus Sternberg pp. 109-110 figs. 5, Pl. 17-23
1956Pachyrhinosaurus Romer p. 639
1963Pachyrhinosaurus Parsch p. 8
1964Pachyrhinosaurus Kuhn p. 61
1964Pachyrhinosaurus Tatarinov p. 588
1966Pachyrhinosaurus Romer p. 371
1967Pachyrhinosaurus Langston, Jr. p. 184
1967Pachyrhinosaurus Russell and Chamney p. 11
1968Pachyrhinosaurus Langston, Jr. p. 1304
1970Pachyrhinosaurus Swinton p. 263
1979Pachyrhinosaurus Laub p. 9
1984Pachyrhinosaurus Russell p. 25
1986Pachyrhinosaurus Ostrom and Wellnhofer p. 116
1988Pachyrhinosaurus Carroll
1990Pachyrhinosaurus Dodson p. 241 fig. 17.1
1990Pachyrhinosaurus Dodson and Currie p. 611
1990Pachyrhinosaurus Lehman p. 212
1994Pachyrhinosaurus Sampson p. 44A
1997Pachyrhinosaurus Dodson p. 476
1997Pachyrhinosaurus Eberth p. 201
1997Pachyrhinosaurus Vickaryous and Ryan p. 492
1998Pachyrhinosaurus Sereno p. 62
2004Pachyrhinosaurus Dodson et al. p. 495
2004Pachyrhinosaurus Farke p. 5
2005Pachyrhinosaurus Ryan and Russell pp. 1381-3 fig. 10
2007Pachyrhinosaurus Ryan p. 391 fig. 12
2008Pachyrhinosaurus Longrich p. 994
2010Pachyrhinosaurus Longrich p. 692 fig. 10
2010Pachyrhinosaurus McDonald and Horner p. 160 fig. 10.5
2010Pachyrhinosaurus Xu et al. p. 1634 fig. 3
2011Pachyrhinosaurus Farke et al. p. 699
2012Pachyrhinosaurus Fiorillo and Tykoski
2015Pachyrhinosaurus Evans and Ryan

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda()
Reptiliomorpha
Anthracosauria
Batrachosauria()
Cotylosauria()
Amniota
Sauropsida
classReptilia
subclassEureptilia()
Romeriida
Diapsida()
Eosuchia()
RankNameAuthor
Neodiapsida
SauriaGauthier 1984
Archosauromorpha(Huene 1946)
Crocopoda
ArchosauriformesGauthier 1986
Eucrocopoda
Archosauria()
informalAvemetatarsalia
Ornithodira
Dinosauromorpha
Dinosauriformes
Dinosauria()
Ornithischia()
Neornithischia()
Clypeodonta
Cerapoda
Marginocephalia
Ceratopsia()
infraorderNeoceratopsia
Coronosauria
familyCeratopsidae
subfamilyCentrosaurinae
genusPachyrhinosaurus

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.

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
Maximum body mass: 3000 kgg
Minimum body mass: 1000 kgg
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: Kiessling 2004, Peczkis 1995, Norman and Weishampel 1991, Marsh 1875

Age range: base of the Maastrichtian to the top of the Early/Lower Maastrichtian or 72.10000 to 66.00000 Ma

Collections (12 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Campanian83.5 - 70.6Canada (Alberta) P. sp. (22699 87125 96457)
Late/Upper Campanian83.5 - 70.6USA (Alaska) P. sp. (47787)
Late/Upper Campanian - Early/Lower Maastrichtian83.5 - 66.0Canada (Alberta) Ceratopsia indet. (64352) P. canadensis (52071 52072 52249)
Maastrichtian72.1 - 66.0Canada (Northwest Territories) Ceratopsidae indet. (52893)
Early/Lower Maastrichtian70.6 - 66.0Canada (Alberta) P. sp. (96455) P. sp., P. canadensis (34744)
Late/Upper Maastrichtian70.6 - 66.0USA (Alaska) P. sp. (51889)