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Saurolophus angustirostris

Osteichthyes - Hadrosauridae

Taxonomy
Saurolophus angustirostris was named by Rozhdestvensky (1952). Its type specimen is PIN 551-8, a skeleton, and it is a 3D body fossil. Its type locality is foot of Nemegtu Mountain [SMPE] (PIN coll. 551), which is in a Maastrichtian terrestrial horizon in the Nemegt Formation of Mongolia.

Sister species lacking formal opinion data
S. angustirstris

Synonymy list
YearName and author
1952Saurolophus angustirostris Rozhdestvensky p. 405
1957Saurolophus angustirostris Rozhdestvensky p. 148
1958Saurolophus angustirostris Young p. 110
1960Saurolophus angustirostris Jeletzky p. 35
1964Saurolophus angustirostris Kuhn p. 26
1964Saurolophus angustirostris Tatarinov p. 566 fig. 615
1965Saurolophus angustirostris Kielan-Jaworowska and Kowalski p. 177
1965Saurolophus angustirostris Rozhdestvensky
1967Saurolophus angustirostris Charig p. 716
1967Saurolophus angustirostris Russell and Chamney p. 16
1969Saurolophus angustirostris Kielan-Jaworowska p. 37
1974Saurolophus angustirostris Rozhdestvensky p. 147
1977Saurolophus angustirostris Gradzinski et al. p. 302
1977Saurolophus angustirostris Rozhdestvensky p. 113
1981Saurolophus angustirostris Maryanska and Osmólska p. 6
1983Saurolophus angustirostris Weishampel and Weishampel p. 44
1984Saurolophus angustirostris Kielan-Jaworowska p. 102
1984Saurolophus angustirostris Maryanska and Osmólska pp. 130-133
1988Saurolophus angustirostris Horner p. 317
1989Saurolophus angustirostris Frances and Sanz p. 141
1990Saurolophus angustirostris Weishampel and Horner p. 556
1991Saurolophus angustirostris Molnar p. 169
1992Saurolophus angustirostris Horner p. 16
1997Saurolophus angustirostris Barsbold p. 449
1997Saurolophus angustirostris Coy p. 692
1997Saurolophus angustirostris Osmólska p. 472
1997Saurolophus angustirostris Tsogtbaatar p. 15
1998Saurolophus angustirostris Godefroit et al. p. 9
2000Saurolophus angustirostris Kurochkin and Barsbold p. 237–238
2000Saurolophus angustirostris Norman and Sues p. 466
2003Saurolophus angustirostris Currie et al. p. 10
2004Saurolophus angustirostris Godefroit et al. p. 149
2004Saurolophus angustirostris Horner et al. p. 441
2006Saurolophus angustirostris Lund and Gates p. 274
2006Saurolophus angustirostris Pereda Suberbiola et al. p. 227
2007Saurolophus angustirostris Gates and Sampson p. 356
2007Saurolophus angustirostris Tsogtbaatar and Chinzorig p. 49
2008Saurolophus angustirostris Godefroit et al. p. 66
2010Saurolophus angustirostris Prieto-Marquez and Salinas p. 835 fig. 20
2010Saurolophus angustirostris Prieto-Márquez p. 5 fig. 2
2010Saurolophus angustirostris Prieto-Márquez and Wagner p. 1243 fig. 3
2011Saurolophus angustirostris Bell p. 705
2011Saurolophus angustirostris Prieto-Márquez p. 62
2012Saurolophus angustirostris Bell p. 1
2012Saurolophus angustirostris Godefroit et al. p. 15
2012Saurolophus angustirostris Prieto-Márquez p. 524
2012Saurolophus angustirostris Ramírez-Velasco et al. p. 392
2013Saurolophus angustirostris Prieto-Marquez
2013Saurolophus angustirostris Tereshchenko and Singer p. 619
2014Saurolophus angustirostris Bell p. 579
2014Saurolophus angustirostris Bell et al. p. 178
2014Saurolophus angustirostris Campione p. 208
2014Saurolophus angustirostris Prieto-Márquez p. 296
2014Saurolophus angustirostris Prieto-Márquez and Wagner p. 598
2014Saurolophus angustirostris Tsogtbaatar et al. p. 129
2014Saurolophus angustirostris Xing et al. p. 1802
2015Saurolophus angustirostris Cuesta et al. p. 53
2016Saurolophus angustirostris Lehman et al. p. 353
2016Saurolophus angustirostris Prieto-Márquez and Gutarra p. 144
2017Saurolophus angustirostris Cruzado-Caballero and Powell p. 5
2019Saurolophus angustirostris Drysdale et al. p. 9
2019Saurolophus angustirostris Farke and Yip p. 59
2020Saurolophus angustirostris Dalla Vecchia p. 611
2021Saurolophus angustirostris Kobayashi et al. p. 10
2021Saurolophus angustirostris McDonald et al. p. 13
2021Saurolophus angustirostris Park et al. p. 11

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
classOsteichthyes
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
—Sauropsida
classReptilia
subclassEureptilia()
—Romeriida
—Diapsida()
—Archosauromorpha(Huene 1946)
—Crocopoda
RankNameAuthor
—ArchosauriformesGauthier 1986
—Eucrocopoda
—Archosauria()
informalAvemetatarsalia
—Ornithodira
—Dinosauromorpha
—Dinosauriformes
—Dinosauria()
—Ornithischia()
—Genasauria
—Cerapoda
—Ornithopoda()
—Clypeodonta
—Iguanodontia()
—Dryomorpha
—Styracosterna
—Hadrosauriformes
—Hadrosauroidea()
familyHadrosauridae
subfamilyHadrosaurinaeLambe 1918
tribeSaurolophini
genusSaurolophus
speciesangustirostris

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.

†Saurolophus angustirostris Rozhdestvensky 1952
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Diagnosis
ReferenceDiagnosis
P. R. Bell 2011Differs from S. osborni in having a skull that is at least 20% longer among the largest adults; premaxilla with strongly reflected oral margin and upturned premaxillary body in lateral aspect; broadly arcing anterior margin of the prenarial fossa; an elongate, anteriorly directed spur on the anterior process of the jugal that separates the lacrimal and maxilla, more so than in S. osborni; shallow quadratojugal notch on the quadrate; and more strongly bowed quadrate in lateral view.
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: terrestrialo
Locomotion: actively mobileo
Life habit: ground dwellingo
Diet: herbivoresubo
Reproduction: oviparouso
Dispersal: direct/internalo
Dispersal 2: mobileo
Created: 2005-08-25 05:54:53
Modified: 2005-08-25 07:54:53
Source: g = genus, subo = suborder, o = order
References: Peczkis 1995, Benton 1983, Kiessling 2004, Marsh 1875

Age range: Maastrichtian or 72.20000 to 66.00000 Ma

Collections (12 total)


Time interval Ma Country or state Original ID and collection number
Maastrichtian72.2 - 66.0Mongolia (Omnogov) Hadrosauridae indet. (127670 168810) Saurolophus angustirostris (37020 type locality: 53227 65335 127671 127674 179625 180702 180703 180786) Saurolophus sp. (127681)