PBDB Taxon

Basic info	Taxonomic history	Classification	Included Taxa
Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Hadrosaurinae (hadrosaurine)

Reptilia - Hadrosauridae

Taxonomy

Hadrosaurinae was named by Lambe (1918). Its type is Hadrosaurus.

It was reranked as the unranked clade Hadrosaurinae by Campione and Evans (2011).

It was assigned to Trachodontidae by Nagao (1936), Nagao (1939); to Hadrosauroidea by Prieto-Márquez (2010); to Euhadrosauria by Weishampel et al. (1993), Casanovas et al. (1999), Horner et al. (2004), Pereda-Suberbiola et al. (2009), Cruzado-Caballero et al. (2010); to Hadrosauridae by Prieto-Márquez (2010), Campione and Evans (2011); and to Hadrosauridae by Lambe (1918), Gilmore (1919), Lambe (1920), Gilmore (1924), Hay (1930), Riabinin (1930), Gilmore (1933), Gilmore (1935), Wilfarth (1940), Lull and Wright (1942), Sternberg (1952), Sternberg (1953), Sternberg (1953), Sternberg (1954), Young (1958), Langston (1960), Tatarinov (1964), Kuhn (1966), Russell and Chamney (1967), Brambilla (1972), Taquet (1975), Baird and Horner (1979), McIntosh (1981), Weishampel and Weishampel (1983), Milner and Norman (1984), Powell (1987), Brinkmann (1988), Weishampel and Horner (1990), Dong (1992), Forster and Sereno (1994), Nessov (1995), Bonaparte (1996), Forster (1997), Sereno (1997), Forster (1997), Sereno (1998), Godefroit et al. (1998), Sereno (1999), Norman and Sues (2000), Williamson (2000), Eberth et al. (2001), You et al. (2003), Godefroit et al. (2004), Bolotsky and Godefroit (2004), Ryan and Evans (2005), Prieto-Márquez et al. (2006), Prieto-Márquez et al. (2006), Gates et al. (2007), Godefroit et al. (2008), Sues and Averianov (2009), Dalla Vecchia (2009), Prieto-Marquez and Salinas (2010), Prieto-Márquez and Wagner (2010), Ramírez-Velasco et al. (2012), Freedman Fowler and Horner (2015), Tan et al. (2015), Cruzado-Caballero and Powell (2017), Kobayashi et al. (2019), Takasaki et al. (2019).

Subtaxa

Anasazisaurus, Brachylophosaurini, Edmontosaurini, Kamuysaurus, Kritosaurini, Mandschurosaurus, Saurolophini

Synonymy list

Year	Name and author
1918	Hadrosaurinae Lambe p. 138
1919	Hadrosaurinae Gilmore p. 64
1920	Hadrosaurinae Lambe pp. 67-68
1924	Hadrosaurinae Gilmore p. 34
1930	Hadrosaurinae Hay p. 209
1930	Hadrosaurinae Riabinin p. 15
1933	Hadrosaurinae Gilmore p. 62
1935	Hadrosaurinae Gilmore p. 161
1936	Hadrosaurinae Nagao p. 213
1939	Hadrosaurinae Nagao p. 144
1940	Hadrosaurinae Wilfarth p. 3
1942	Hadrosaurinae Lull and Wright p. 133
1952	Hadrosaurinae Sternberg p. 149
1953	Hadrosaurinae Sternberg p. 11
1954	Hadrosaurinae Sternberg p. 383
1958	Hadrosaurinae Young p. 106
1960	Hadrosaurinae Langston p. 321
1964	Hadrosaurinae Tatarinov p. 561
1966	Hadrosaurinae Kuhn p. 103
1967	Hadrosaurinae Russell and Chamney p. 11
1972	Hadrosaurinae Brambilla p. 317
1975	Hadrosaurinae Taquet p. 508
1979	Hadrosaurinae Baird and Horner p. 16
1981	Hadrosaurinae McIntosh p. 31
1983	Hadrosaurinae Weishampel and Weishampel p. 44
1984	Hadrosaurinae Milner and Norman p. 146
1987	Hadrosaurinae Powell p. 150
1988	Hadrosaurinae Brinkmann p. 71
1990	Hadrosaurinae Weishampel and Horner p. 556
1992	Hadrosaurinae Dong p. 165
1993	Hadrosaurinae Weishampel et al. p. 375 fig. 7
1994	Hadrosaurinae Forster and Sereno p. 25A
1995	Hadrosaurinae Nessov p. 46
1996	Hadrosaurinae Bonaparte p. 111
1997	Hadrosaurinae Forster p. 47A
1997	Hadrosaurinae Sereno p. 443
1998	Hadrosaurinae Godefroit et al. p. 50 fig. 38
1998	Hadrosaurinae Sereno p. 62
1999	Hadrosaurinae Casanovas et al. p. 351 fig. 3
1999	Hadrosaurinae Sereno p. 2138 fig. 2
2000	Hadrosaurinae Norman and Sues p. 466
2000	Hadrosaurinae Williamson p. 198
2001	Hadrosaurinae Eberth et al. p. 58
2003	Hadrosaurinae You et al. p. 152 fig. 3
2004	Hadrosaurinae Bolotsky and Godefroit p. 352
2004	Hadrosaurinae Godefroit et al. p. 148 fig. 6
2004	Hadrosaurinae Horner et al. p. 439
2005	Hadrosaurinae Ryan and Evans p. 332
2006	Hadrosaurinae Prieto-Márquez et al. p. 938
2006	Hadrosaurinae Prieto-Márquez et al. p. 87
2007	Hadrosaurinae Gates et al. p. 928 fig. 11
2008	Hadrosaurinae Godefroit et al. p. 67 fig. 18
2009	Hadrosaurinae Dalla Vecchia p. 2
2009	Hadrosaurinae Pereda-Suberbiola et al. p. 568 fig. 6
2009	Hadrosaurinae Sues and Averianov p. 2552 fig. 2
2010	Hadrosaurinae Cruzado-Caballero et al. p. 1510 fig. 4
2010	Hadrosaurinae Prieto-Marquez and Salinas p. 835 fig. 20
2010	Hadrosaurinae Prieto-Márquez p. 5 fig. 2
2010	Hadrosaurinae Prieto-Márquez and Wagner p. 1243 fig. 3
2011	Hadrosaurinae Campione and Evans p. 7
2012	Hadrosaurinae Ramírez-Velasco et al. p. 392
2015	Hadrosaurinae Freedman Fowler and Horner
2015	Hadrosaurinae Tan et al. p. 246
2017	Hadrosaurinae Cruzado-Caballero and Powell p. 12 fig. 13
2019	Hadrosaurinae Kobayashi et al.
2019	Hadrosaurinae Takasaki et al. p. 2

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Deuterostomia
phylum	Chordata	Haeckel 1874
subphylum	Vertebrata
superclass	Gnathostomata
—	Osteichthyes	()
subclass	Sarcopterygii	()
subclass	Dipnotetrapodomorpha	(Nelson 2006)
subclass	Tetrapodomorpha	()
—	Tetrapoda
—	Reptiliomorpha
—	Anthracosauria
subclass	Amphibiosauria	Kuhn 1967
—	Cotylosauria	()
—	Amniota
—	Sauropsida
class	Reptilia
subclass	Eureptilia	()
—	Romeriida
—	Diapsida	()
—	Archosauromorpha	(Huene 1946)

Rank	Name	Author
—	Crocopoda
—	Archosauriformes	Gauthier 1986
—	Eucrocopoda
—	Archosauria	()
informal	Avemetatarsalia
—	Ornithodira
—	Dinosauromorpha
—	Dinosauriformes
—	Dinosauria	()
—	Ornithischia	()
—	Genasauria
—	Cerapoda
—	Ornithopoda	()
—	Clypeodonta
—	Iguanodontia	()
—	Dryomorpha
—	Styracosterna
—	Hadrosauriformes
—	Hadrosauroidea	()
family	Hadrosauridae
subfamily	Hadrosaurinae	Lambe 1918
subfamily	Hadrosaurinae	Lambe 1918

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.

Subfm. †Hadrosaurinae Lambe 1918 [hadrosaurine]

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G. †Anasazisaurus Hunt and Lucas 1993

†Anasazisaurus horneri Hunt and Lucas 1993 [Anasazi lizard]

Unr. †Brachylophosaurini Gates et al. 2011

G. †Acristavus Gates et al. 2011

†Acristavus gagslarsoni Gates et al. 2011

G. †Brachylophosaurus Sternberg 1953

†Brachylophosaurus canadensis Sternberg 1953

Invalid names: Brachylophosaurus goodwini Horner 1988 [synonym]

G. †Hadrosaurus Leidy 1858

†Hadrosaurus foulkii Leidy 1858

G. †Maiasaura Horner and Makela 1979

†Maiasaura peeblesorum Horner and Makela 1979

G. †Ornatops McDonald et al. 2021

†Ornatops incantatus McDonald et al. 2021

G. †Probrachylophosaurus Freedman Fowler and Horner 2015

†Probrachylophosaurus bergei Freedman Fowler and Horner 2015

G. †Wulagasaurus Godefroit et al. 2008

†Wulagasaurus dongi Godefroit et al. 2008

Tr. †Edmontosaurini Glut 1997

G. †Edmontosaurus Lambe 1917

†Edmontosaurus annectens Marsh 1892

Invalid names: Anatosaurus copei Lull and Wright 1942 [synonym], Edmontosaurus edmontoni Gilmore 1924 [synonym], Edmontosaurus saskatchewanensis Sternberg 1926 [synonym], Trachodon longiceps Marsh 1890 [synonym]

†Edmontosaurus regalis Lambe 1917

Invalid names: Agathaumas milo Cope 1874 [synonym]

Invalid names: Anatosaurus Lull and Wright 1942 [synonym], Anatotitan Brett-Surman 1990 [synonym]

G. †Kerberosaurus Bolotsky and Godefroit 2004

†Kerberosaurus manakini Bolotsky and Godefroit 2004

Invalid names: Kundurosaurus nagornyi Godefroit et al. 2012 [synonym]

Invalid names: Kundurosaurus Godefroit et al. 2012 [synonym]

G. †Shantungosaurus Hu 1973

†Shantungosaurus giganteus Hu 1973

Invalid names: Huaxiaosaurus aigahtens Zhao 2011 [synonym], Zhuchengosaurus maximus Zhao et al. 2007 [synonym]

Invalid names: Huaxiaosaurus Zhao 2011 [synonym], Zhuchengosaurus Zhao et al. 2007 [synonym]

G. †Ugrunaaluk Mori et al. 2016

†Ugrunaaluk kuukpikensis Mori et al. 2016

G. †Kamuysaurus Kobayashi et al. 2019

†Kamuysaurus japonicus Kobayashi et al. 2019

Tr. †Kritosaurini Lapparent and Lavocat 1955

G. †Coahuilasaurus Longrich et al. 2024

†Coahuilasaurus lipani Longrich et al. 2024

G. †Gryposaurus Lambe 1914

†Gryposaurus alsatei Lehman et al. 2016

†Gryposaurus latidens Horner 1992

†Gryposaurus monumentensis Gates and Sampson 2007

†Gryposaurus notabilis Lambe 1914

Invalid names: Gryposaurus incurvimanus Parks 1919 [synonym]

G. †Huallasaurus Rozadilla et al. 2021

†Huallasaurus australis Bonaparte et al. 1984

G. †Kelumapusaura Rozadilla et al. 2021

†Kelumapusaura machi Rozadilla et al. 2021

G. †Kritosaurus Brown 1910

†Kritosaurus horneri Hunt and Lucas 1993 [Anasazi lizard]

†Kritosaurus navajovius Brown 1910

G. †Naashoibitosaurus Hunt and Lucas 1993

†Naashoibitosaurus ostromi Hunt and Lucas 1993

G. †Secernosaurus Brett-Surman 1979

†Secernosaurus koerneri Brett-Surman 1979

G. †Mandschurosaurus Riabinin 1930

†Mandschurosaurus amurensis Riabinin 1925

Invalid names: Mandschurosaurus laosensis Hoffet 1943 [nomen dubium]

Tr. †Saurolophini Godefroit et al. 2012

G. †Augustynolophus Prieto-Márquez et al. 2015

†Augustynolophus morrisi Prieto-Marquez and Wagner 2013

G. †Bonapartesaurus Cruzado-Caballero and Powell 2017

†Bonapartesaurus rionegrensis Cruzado-Caballero and Powell 2017

G. †Prosaurolophus Brown 1916

†Prosaurolophus maximus Brown 1916

Invalid names: Prosaurolophus blackfeetensis Horner 1992 [synonym]

G. †Saurolophus Brown 1912

†Saurolophus angustirostris Rozhdestvensky 1952

†Saurolophus osborni Brown 1912

Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

hydroxyapatiteo

Entire body:

yeso

Adult length:

10 to < 100o

Adult width:

1.0 to < 10o

Adult height:

1.0 to < 10o

Maximum body mass:

10000 kgg

Minimum body mass:

1000 kgg

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:

2009-01-03 20:40:05

Modified:

2009-01-03 22:40:05

Source: g = genus, subo = suborder, o = order

References: Benton 1983, Marsh 1875, Peczkis 1995

Age range: base of the Aptian to the top of the Lancian or 121.40000 to 66.00000 Ma

Collections (306 total)

Time interval	Ma	Country or state	Original ID and collection number
Aptian - Albian	121.4 - 100.5	Laos (Savannakhet)	Mandschurosaurus laosensis, Hadrosauridae indet. (130271)
Cenomanian - Campanian	100.5 - 72.2	China (Shanxi)	Shantungosaurus sp. (45408)
Late/Upper Cretaceous	100.5 - 66.0	Kazakhstan (Ongtustik Qazaqstan)	Hadrosaurinae indet. (58751)
Late/Upper Coniacian - Late/Upper Santonian	89.8 - 83.6	China (Hubei)	Hadrosaurinae indet. (27026)
Late/Upper Coniacian - Maastrichtian	89.8 - 66.0	USA (Alaska)	Hadrosauridae indet. (52905)
Early/Lower Santonian	85.7 - 83.6	Tajikistan (Sogd)	Lambeosaurinae indet. (58701)
Late/Upper Santonian	85.7 - 83.6	Canada (Alberta)	Hadrosaurinae indet. (125521 172615) Kritosaurus sp. (48834 71485) Kritosaurus sp., Ornithischia indet. (48835)
Santonian	85.7 - 83.6	Uzbekistan (Navoi)	Hadrosaurinae indet. (58708)
Late/Upper Santonian - Early/Lower Campanian	85.7 - 72.2	USA (Mississippi)	Hadrosaurus sp. (98972)
Late/Upper Santonian - Middle Campanian	85.7 - 72.2	USA (Alabama)	Hadrosauridae indet. (54137) Hadrosaurinae indet. (54138 54139)
Late/Upper Santonian - Middle Campanian	85.7 - 72.2	USA (Georgia)	Hadrosauridae indet. (35289)
Campanian	83.6 - 72.2	USA (Montana)	Maiasaura sp. (53146)
Campanian	83.6 - 72.2	USA (Mississippi)	Hadrosaurinae indet. (64742)
Campanian	83.6 - 72.2	USA (New Jersey)	Hadrosaurus foulkii (167744)
Campanian	83.6 - 72.2	Canada (Alberta)	Edmontosaurus sp. (64339) Hadrosaurus sp. (64338) Prosaurolophus sp. (64334) Thespesius edmontoni (46320)
Campanian	83.6 - 72.2	China (Shandong)	Shantungosaurus giganteus (57178) Shantungosaurus sp. (96815) Zhuchengosaurus maximus (91473)
Early/Lower Campanian	83.6 - 72.2	USA (North Carolina)	Hadrosaurus sp. (106277)
Early/Lower Campanian	83.6 - 72.2	USA (Utah)	Hadrosaurinae indet. (230912)
Early/Lower Campanian - Middle Campanian	83.6 - 72.2	USA (Utah)	Hadrosaurinae indet. (120364)
Early/Lower Campanian - Middle Campanian	83.6 - 72.2	USA (North Carolina)	Trachodon tripos (57918)
Early/Lower Campanian - Middle Campanian	83.6 - 72.2	USA (New Mexico)	Ornatops incantatus (219262)
Early/Lower Campanian - Middle Campanian	83.6 - 72.2	USA (New Jersey)	Hadrosaurus foulkii (48725)
Judithian	83.6 - 72.2	USA (Wyoming)	Hadrosaurinae indet. (14433 14458)
Judithian	83.6 - 72.2	USA (Texas)	Kritosaurus sp. (48941)
Late/Upper Campanian	83.6 - 72.2	USA (New Jersey)	Edmontosaurus sp., Hadrosaurus sp. (14455)
Late/Upper Campanian	83.6 - 72.2	USA (New Mexico)	Anasazisaurus horneri (76753) Diclonius sp. (35518) Edmontosaurus saskatchewanensis (36269) Hadrosaurinae indet. (62317 62318) Kritosaurus navajovius (36541 46984 53980 55296 154462 154639) Kritosaurus sp. (46993 55882 56271 56293 56429 56646 62489 62535 150884) Kritosaurus sp., Kritosaurus navajovius (47818 47820) Saurolophinae indet. (48838)
Late/Upper Campanian	83.6 - 72.2	USA (Montana)	Claosaurus sp. (26767 62723) Gryposaurus sp., Prosaurolophus blackfeetensis, Iguanodontoidea indet. (22689) Lambeosaurus sp. (22652) Maiasaura sp. (61843) Prosaurolophus blackfeetensis (22692)
Late/Upper Campanian	83.6 - 72.2	Mexico (Coahuila)	Coahuilasaurus lipani (68039 239051) Hadrosauridae indet. (55245) Hadrosaurinae indet. (24257 24259 24260)
Late/Upper Campanian	83.6 - 72.2	Canada (Alberta)	Brachylophosaurus canadensis (162171) Brachylophosaurus sp. (162138) Edmontosaurus regalis (138447) Edmontosaurus sp. (152403) Gryposaurus notabilis (58947) Gryposaurus sp. (59012 59013 59041) Hadrosaurus sp. (59102) Kritosaurus notabilis (11919 55317 58946) Kritosaurus sp. (59119 96534) Prosaurolophus maximus (58759 58953 59049 59051 64632 77259 204697 206775) Trachodontidae indet. (59021)
Late/Upper Campanian	83.6 - 72.2	USA (Utah)	Gryposaurus sp. (75467 97806 172613) Gryposaurus sp. A (230869) Hadrosauridae indet. (49619)
Late/Upper Campanian	83.6 - 72.2	USA (Wyoming)	Hadrosaurinae indet. (179276) Trachodontidae indet. (45860)
Late/Upper Campanian	83.6 - 72.2	USA (Oregon)	Reptilia indet. (179274)
Late/Upper Campanian	83.6 - 72.2	Mexico (Sonora)	Hadrosaurinae indet. (91376 91379 226345)
Middle Campanian	83.6 - 72.2	USA (Montana)	Acristavus gagslarsoni (120363) Brachylophosaurus canadensis (73891 167804) Brachylophosaurus goodwini (26779 227264) Gryposaurus latidens (47101) Hadrosauridae indet. (69281 142497) Kritosaurini indet., Hadrosaurinae indet. (14437) Maiasaura indet., Maiasaura peeblesorum (22653) Maiasaura peeblesorum (22691 26775 236764) Maiasaura sp. (53057)
Middle Campanian	83.6 - 72.2	USA (Colorado)	Hadrosaurinae indet. (52906)
Middle Campanian	83.6 - 72.2	Canada (Aragón)	Kritosaurini indet. (229969)
Middle Campanian - Late/Upper Campanian	83.6 - 72.2	USA (Montana)	Hadrosaurinae indet. (14462 50907 61452) Kritosaurus sp. (142510) Probrachylophosaurus bergei (194654)
Middle Campanian - Late/Upper Campanian	83.6 - 72.2	USA (Texas)	Hadrosaurinae indet. (189809) Kritosaurus sp. (189805) Kritosaurus sp., Hadrosaurinae indet. (22709)
Middle Campanian - Late/Upper Campanian	83.6 - 72.2	Canada (Alberta)	Kritosaurus incurvimanus (46331)
Campanian - Maastrichtian	83.6 - 66.0	Argentina (Chubut)	Secernosaurus koerneri (58574)
Late/Upper Campanian - Early/Lower Maastrichtian	83.6 - 66.0	Argentina (Río Negro)	Hadrosaurinae indet. (31079 51594) Kelumapusaura machi (231728) Kritosaurus australis (45088) Kritosaurus sp. (45087) Saurolophinae indet. (32370)
Late/Upper Campanian - Early/Lower Maastrichtian	83.6 - 66.0	Canada (Alberta)	Edmontosaurus sp. (52077) Hadrosauridae indet. (34744) Prosaurolophus sp. (162137) Saurolophinae indet. (163050) Saurolophus sp. (51966) Trachodon selwyni (150979) Trachodontidae indet. (189568)
Early/Lower Maastrichtian	72.2 - 66.0	Japan (Hokkaido)	Kamuysaurus japonicus (129271)
Early/Lower Maastrichtian	72.2 - 66.0	USA (Alaska)	Edmontosaurus saskatchewanensis (51890) Edmontosaurus sp. (51889)
Early/Lower Maastrichtian	72.2 - 66.0	Canada (Alberta)	Edmontosaurus regalis (51316 69621 220119) Edmontosaurus sp. (14502 94370) Hadrosauridae indet. (64430) Saurolophus sp., Edmontosaurus sp. (76062) Trachodontidae indet. (49234)
Lancian	72.2 - 66.0	USA (North Dakota)	Edmontosaurus annectens (14621) Hadrosaurinae indet. (14610)
Lancian	72.2 - 66.0	USA (South Dakota)	Anatosaurus sp. (192251)
Lancian	72.2 - 66.0	USA (Montana)	Anatosaurus sp. (14546 14549) Hadrosauridae indet. (14616) Hadrosaurinae indet. (14535 14536 14562)
Lancian	72.2 - 66.0	USA (Wyoming)	Anatosaurus sp. (14505 14527 14579 14609) Edmontosaurus sp. (14557) Hadrosaurinae indet. (14540 14541 14542 70341 70343 75280 75284 75285 75287 75429 75431 75433 75443 75447)
Late/Upper Maastrichtian	72.2 - 66.0	Spain (Aragón)	Hadrosaurinae indet. (45440)
Late/Upper Maastrichtian	72.2 - 66.0	USA (California)	Hadrosaurinae indet. (55358) Trachodontidae indet. (55359)
Late/Upper Maastrichtian	72.2 - 66.0	USA (North Dakota)	Edmontosaurus sp. (57919) Hadrosaurinae indet. (45098 45099 45102 45109 45110 45111 45112 45118 45122 45128 45130 45134 45136 45137 45143 45144 45145 45299 45309 45386)
Late/Upper Maastrichtian	72.2 - 66.0	Canada (Saskatchewan)	Edmontosaurus annectens (229474) Hadrosaurinae indet. (54105) Thespesius sp. (45675)
Late/Upper Maastrichtian	72.2 - 66.0	Canada (Alberta)	Hadrosaurus sp. (58157)
Late/Upper Maastrichtian	72.2 - 66.0	USA (Montana)	Anatosaurus copei (14674) Anatosaurus sp. (11931 13142 67129 131865) Edmontosaurus annectens (202036 224286 225035) Edmontosaurus sp. (72143 91359 142326 183109) Hadrosaurinae indet. (55326)
Late/Upper Maastrichtian	72.2 - 66.0	USA (Texas)	Gryposaurus alsatei (187092)
Late/Upper Maastrichtian	72.2 - 66.0	USA (Wyoming)	Anatosaurus annectens (45878 54176 150933) Anatosaurus sp. (14585 52695 57162 57163 57166 57168 57169 57170 150976) Claosaurus annectens (46209 49238) Edmontosaurus annectens (26760) Hadrosauridae indet. (128559) Trachodon annectens (54178) Trachodon longiceps (46120) Trachodon sp. (57764) Trachodontidae indet. (46128)
Late/Upper Maastrichtian	72.2 - 66.0	USA (Colorado)	Agathaumas milo (49524) Hadrosauridae indet. (46210)
Late/Upper Maastrichtian	72.2 - 66.0	USA (South Dakota)	Ceratopsia indet. (142375) Diclonius mirabilis (24790) Edmontosaurus annectens (224483 224484) Edmontosaurus sp. (47034 157189) Hadrosaurinae indet. (45390)
Late/Upper Maastrichtian	72.2 - 66.0	Russian Federation (Amur)	Hadrosauridae indet., Gryposaurus asiaticus (38134) Kerberosaurus manakini (47029)
Maastrichtian	72.2 - 66.0	Kazakhstan (Qostanay)	Hadrosaurus sp. (59383)
Maastrichtian	72.2 - 66.0	USA (South Dakota)	Hadrosauridae indet. (74175) Hadrosaurinae indet. (45392)
Maastrichtian	72.2 - 66.0	USA (Montana)	Anatosaurus annectens (48836 55385) Anatosaurus sp. (49016 57914) Claosaurus sp. (57765 142376) Edmontosaurus sp. (50088) Thespesius sp. (83299) Trachodon sp. (74009)
Maastrichtian	72.2 - 66.0	USA (New Jersey)	Hadrosaurus sp. (57915)
Maastrichtian	72.2 - 66.0	Canada (Alberta)	Trachodon marginatus (45676)
Maastrichtian	72.2 - 66.0	China (Heilongjiang)	Hadrosaurinae indet., Trachodontidae indet. (37811) Wulagasaurus dongi (79034)
Maastrichtian	72.2 - 66.0	USA (Texas)	Edmontosaurus sp. (187094) Kritosaurus sp. (187093)
Maastrichtian	72.2 - 66.0	Mongolia (Omnogov)	Hadrosauridae indet. (100273 127670 168810) Saurolophus angustirostris (37020 53227 65335 127671 127674 179625 180702 180703 180786) Saurolophus sp. (55257 100266 100268 127681 127682 168809 180710 220943)
Maastrichtian	72.2 - 66.0	China (Shaanxi)	Shantungosaurus giganteus (178689)
Maastrichtian	72.2 - 66.0	USA (North Dakota)	Edmontosaurus sp. (84455) Hadrosaurinae indet. (45108 45146 45147 45298 45313 45316 45318 45319 45387)