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Saurolophus osborni

Reptilia - Hadrosauridae

Taxonomy
Saurolophus osborni was named by Brown (1912). Its type specimen is AMNH 5220, a skeleton, and it is a 3D fossil preserving soft parts. Its type locality is Tolman Ferry, Red Deer River (AMNH), which is in a Maastrichtian fluvial-lacustrine sandstone in the Horseshoe Canyon Formation of Canada.

Synonymy list
YearName and author
1912Saurolophus osborni Brown
1913Saurolophus osborni Brown p. 388
1914Saurolophus osborni Brown p. 376
1916Saurolophus osborni Lambe p. 197
1924Saurolophus osborni Gilmore p. 34
1927Saurolophus osborni Huene p. 260
1930Saurolophus osborni Russell p. 151
1933Saurolophus osborni Russell p. 129
1940Saurolophus osborni Russell p. 2
1942Saurolophus osborni Lull and Wright pp. 175-177 figs. 65-66
1952Saurolophus osborni Rozhdestvensky p. 407
1957Saurolophus osborni Rozhdestvensky p. 148
1960Saurolophus osborni Jeletzky p. 35
1964Saurolophus osborni Kuhn p. 26
1964Saurolophus osborni Russell p. 15
1964Saurolophus osborni Tatarinov p. 565
1965Saurolophus osborni Rozhdestvensky
1966Saurolophus osborni Russell p. 14
1967Saurolophus osborni Russell and Chamney p. 12
1970Saurolophus osborni Swinton p. 221
1980Saurolophus osborni Drake p. 195
1981Saurolophus osborni Maryanska and Osmólska p. 18
1983Saurolophus osborni Weishampel and Weishampel p. 44
1984Saurolophus osborni Kielan-Jaworowska p. 102
1984Saurolophus osborni Maryanska and Osmólska pp. 132-133
1990Saurolophus osborni Weishampel and Horner p. 556
1991Saurolophus osborni Molnar p. 169
1992Saurolophus osborni Horner p. 16
1997Saurolophus osborni Eberth p. 201
1998Saurolophus osborni Godefroit et al. p. 26
2000Saurolophus osborni Currie p. 277
2000Saurolophus osborni Norman and Sues p. 466
2004Saurolophus osborni Horner et al. p. 441
2006Saurolophus osborni Lund and Gates p. 274
2006Saurolophus osborni Prieto-Márques et al. p. 932
2008Saurolophus osborni Godefroit et al. p. 66
2009Saurolophus osborni Gates and Farke p. 1162
2010Saurolophus osborni Bell and Evans p. 1418
2010Saurolophus osborni Prieto-Marquez p. 845
2010Saurolophus osborni Prieto-Marquez and Salinas p. 830
2010Saurolophus osborni Prieto-Márquez p. 3
2010Saurolophus osborni Prieto-Márquez and Wagner p. 1243 fig. 3
2011Saurolophus osborni Prieto-Márquez p. 63
2012Saurolophus osborni Godefroit et al. p. 15
2012Saurolophus osborni Prieto-Márquez p. 524
2012Saurolophus osborni Ramírez-Velasco et al. p. 392
2013Saurolophus osborni Prieto-Marquez
2014Saurolophus osborni Bell p. 579
2014Saurolophus osborni Bell et al. p. 70
2014Saurolophus osborni Bell et al. p. 177
2014Saurolophus osborni Campione p. 239
2014Saurolophus osborni Gates et al. p. 163
2014Saurolophus osborni Prieto-Márquez and Wagner p. 596
2015Saurolophus osborni Cuesta et al. p. 53
2016Saurolophus osborni Lehman et al. p. 338
2017Saurolophus osborni Cruzado-Caballero and Powell p. 11

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
OlfactoresJefferies 1991
subphylumVertebrata
Gnathostomata()
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda()
Reptiliomorpha
Anthracosauria
Batrachosauria()
Cotylosauria()
Amniota
Sauropsida
classReptilia
subclassEureptilia()
Romeriida
Diapsida()
Eosuchia()
Neodiapsida
RankNameAuthor
SauriaGauthier 1984
Archosauromorpha(Huene 1946)
Crocopoda
ArchosauriformesGauthier 1986
Eucrocopoda
Archosauria()
informalAvemetatarsalia
Ornithodira
Dinosauromorpha
Dinosauriformes
Dinosauria()
Ornithischia()
Neornithischia()
Ornithopoda()
Iguanodontia()
Dryomorpha
Ankylopollexia
Styracosterna
Hadrosauriformes
Hadrosauroidea()
familyHadrosauridae
subfamilyHadrosaurinaeLambe 1918
tribeSaurolophini
genusSaurolophus
speciesosborni

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
ReferenceDiagnosis
B. Brown 1913Skull with long posterior bony crest formed by prolongation of frontal, prefrontal and nasal. Lachrymal very long. Superior process of premaxillary extending to posterior border of nares. Radius and humerus of equal length. Sacrum composed of eight vertebra. Pelvis with ischium terminating in expanded foot-like end; pubis with short anterior expanded blade; ilium strongly arched, anterior process a decurved thin vertical plate. Femur with fourth trochanter below middle of shaft. Phalanges of digits II and IV short.