Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Ceratopsoidea
Taxonomy
Ceratopsoidea was named by Hay (1902). Its type is Ceratops. It was considered monophyletic by Sereno (2000).
It was corrected as Ceratopsoidae by Hay (1930).
It was assigned to Orthopoda by Hay (1902); to Orthopoda by Hay (1930); to Pachycephalosauria by Zhao (1983); to Neornithopoda by Norman (1984); to Ceratopsia by Cooper (1985); to Neoceratopsia by Lambert et al. (2001) and Chinnery and Horner (2007); and to Coronosauria by Sereno (1986), Sereno (1997), Sereno (1998), Sereno (1999), Sereno (2000), Makovicky (2001), You and Dodson (2003), Butler et al. (2008), Farke et al. (2014) and Morschhauser et al. (2019).
It was corrected as Ceratopsoidae by Hay (1930).
It was assigned to Orthopoda by Hay (1902); to Orthopoda by Hay (1930); to Pachycephalosauria by Zhao (1983); to Neornithopoda by Norman (1984); to Ceratopsia by Cooper (1985); to Neoceratopsia by Lambert et al. (2001) and Chinnery and Horner (2007); and to Coronosauria by Sereno (1986), Sereno (1997), Sereno (1998), Sereno (1999), Sereno (2000), Makovicky (2001), You and Dodson (2003), Butler et al. (2008), Farke et al. (2014) and Morschhauser et al. (2019).
Synonymy list
Year | Name and author |
---|---|
1902 | Ceratopsoidea Hay p. 497 |
1930 | Ceratopsoidae Hay p. 219 |
1983 | Ceratopsoidea Zhao pp. 300-301 |
1984 | Ceratopsoidea Norman pp. 160-161 fig. 2 |
1985 | Ceratopsoidea Cooper p. 292 |
1986 | Ceratopsoidea Sereno |
1997 | Ceratopsoidea Sereno p. 443 |
1998 | Ceratopsoidea Sereno p. 62 |
1999 | Ceratopsoidea Sereno p. 2138 fig. 2 |
2000 | Ceratopsoidea Sereno p. 482 |
2001 | Ceratopsoidea Lambert et al. p. 18 |
2001 | Ceratopsoidea Makovicky p. 254 fig. 18.3 |
2003 | Ceratopsoidea You and Dodson |
2007 | Ceratopsoidea Chinnery and Horner p. 638 fig. 6 |
2008 | Ceratopsoidea Butler et al. p. 8 |
2014 | Ceratopsoidea Farke et al. |
2019 | Ceratopsoidea Morschhauser et al. p. 129 fig. 10 |
Is something missing? Join the Paleobiology Database and enter the data
|
|
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.
Superfm. †Ceratopsoidea Hay 1902
show all | hide all
Fm. †Ceratopsidae Marsh 1888 [ceratopsid]
hide
Subfm. †Centrosaurinae Lambe 1915
+
Unr. †Centrosaurini Ryan et al. 2017
+
G. †Centrosaurus Lambe 1905
+
†Centrosaurus apertus Lambe 1905
+
Invalid names: Centrosaurus longirostris Sternberg 1940 [synonym], Monoclonius cutleri Brown 1917 [synonym], Monoclonius dawsoni Lambe 1902 [synonym], Monoclonius flexus Brown 1914 [synonym]
G. †Styracosaurus Lambe 1913
+
†Styracosaurus albertensis Lambe 1913
+
Invalid names: Monoclonius nasicornus Brown 1917 [synonym], Styracosaurus parksi Brown and Schlaikjer 1937 [synonym]
G. †Monoclonius Cope 1876
+
Invalid names: Monoclonius fissus Cope 1889 [nomen dubium], Monoclonius recurvicornis Cope 1889 [nomen dubium], Monoclonius sphenocerus Cope 1889 [nomen dubium]
Unr. †Nasutoceratopsini Ryan et al. 2017
+
Unr. †Pachyrhinosaurini Fiorillo and Tykoski 2012
+
G. †Einiosaurus Sampson 1994
+
†Einiosaurus procurvicornis Sampson 1994
+
Invalid names: Styracosaurus makeli Czerkas and Czerkas 1990 [replaced]
G. †Pachyrhinosaurus Sternberg 1950
+
†Pachyrhinosaurus canadensis Sternberg 1950
†Pachyrhinosaurus lakustai Currie et al. 2008
†Pachyrhinosaurus perotorum Fiorillo and Tykoski 2012
Invalid names: Pachyrostra Fiorillo and Tykoski 2012 [empty]
Invalid names: Brachyceratops Gilmore 1914 [nomen dubium]
Subfm. †Chasmosaurinae Lambe 1915
+
G. †Anchiceratops Brown 1914
+
†Anchiceratops ornatus Brown 1914
+
Invalid names: Anchiceratops longirostris Sternberg 1926 [synonym]
G. †Chasmosaurus Lambe 1914
+
†Chasmosaurus belli Lambe 1902
†Chasmosaurus russelli Sternberg 1940
+
Invalid names: Mojoceratops perifania Longrich 2010 [synonym]
Invalid names: Chasmosaurus brevirostris Lull 1933 [nomen dubium], Chasmosaurus kaiseni Brown 1933 [nomen dubium], Eoceratops Lambe 1915 [synonym], Mojoceratops Longrich 2010 [synonym], Monoclonius canadensis Lambe 1902 [nomen dubium], Protorosaurus Lambe 1914 [synonym]
G. †Navajoceratops Fowler and Freedman Fowler 2020
+
†Navajoceratops sullivani Fowler and Freedman Fowler 2020
G. †Pentaceratops Osborn 1923
+
†Pentaceratops sternbergii Osborn 1923
+
Invalid names: Pentaceratops fenestratus Wiman 1930 [synonym]
G. †Terminocavus Fowler and Freedman Fowler 2020
+
†Terminocavus sealeyi Fowler and Freedman Fowler 2020
Unr. †Triceratopsini Longrich 2011
+
G. †Triceratops Marsh 1889
+
†Triceratops horridus Marsh 1889
+
Invalid names: Nedoceratops hatcheri Lull 1905 [synonym], Triceratops albertensis Sternberg 1949 [synonym], Triceratops brevicornus Hatcher and Lull 1905 [synonym], Triceratops calicornis Marsh 1898 [synonym], Triceratops elatus Marsh 1891 [synonym], Triceratops eurycephalus Schlaikjer 1935 [synonym], Triceratops flabellatus Marsh 1889 [synonym], Triceratops obtusus Marsh 1898 [synonym], Triceratops serratus Marsh 1890 [synonym]
†Triceratops prorsus Marsh 1890
Invalid names: Nedoceratops Ukrainsky 2007 [synonym], Ojoceratops Sullivan and Lucas 2010 [synonym], Sterrholophus Marsh 1891 [synonym], Tatankaceratops Ott and Larson 2010 [synonym], Triceratops sulcatus Marsh 1890 [nomen dubium]
G. †Vagaceratops Sampson 2010
+
†Vagaceratops irvinensis Holmes et al. 2001
+
Invalid names: Mercuriceratops gemini Ryan et al. 2014 [synonym], Pentaceratops aquilonius Longrich 2014 [synonym]
Invalid names: Mercuriceratops Ryan et al. 2014 [synonym]
Invalid names: Ceratops Marsh 1888 [nomen dubium]
Invalid names: Agathaumas Cope 1872 [nomen dubium], Agathaumidae Cope 1889 [synonym], Bison alticornis Marsh 1887 [nomen dubium], Ceratopsinae Abel 1919 [empty], Monocloniinae Nopcsa 1923 [empty], Polyonax Cope 1874 [nomen dubium], Triceratops galeus Marsh 1889 [nomen dubium], Triceratops ingens Lull 1915 [nomen dubium], Triceratops maximus Brown 1933 [nomen dubium], Ugrosaurus CoBabe and Fastovsky 1987 [nomen dubium]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
|
|
||||
|
|
||||
|
|
||||
|
|
||||
|
|
||||
|
|
||||
|
|||||
|
|
||||
|
|
||||
|
|
||||
Source: g = genus, subo = suborder, o = order | |||||
References: Peczkis 1995, Marsh 1875, Norman and Weishampel 1991 |
Age range: base of the Late/Upper Turonian to the top of the Late/Upper Maastrichtian or 93.50000 to 66.00000 Ma
Collections (688 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Late/Upper Cretaceous | Mexico (Chihuahua) | Centrosaurinae indet. (227180) | |
Late/Upper Turonian | Uzbekistan (Navoi) | Ceratopsidae indet. (53138) | |
Middle Turonian | USA (New Mexico) | Zuniceratops christopheri (52033 52358 52359) | |
Middle Turonian - Late/Upper Turonian | Uzbekistan (Navoi) | Ceratopsidae indet. (75943) Ceratopsidae indet., Turanoceratops tardabilis (58168) Monocloniinae indet. (58164) Turanoceratops tardabilis (58158 58161 58165 58167 58175) | |
Santonian | Hungary (Veszprém) | Ajkaceratops kozmai (48722) | |
Santonian | Kyrgyzstan (Jalal-Abad) | Ceratopsidae indet. (59597) | |
Santonian - Early/Lower Campanian | Kazakhstan (Qyzylorda) | Ceratopsidae indet. (59702) | |
Late/Upper Santonian | Canada (Alberta) | Brachyceratops sp. (48834) | |
Campanian | USA (Montana) | Achelousaurus horneri (22652) Brachyceratops montanensis (50083) Brachyceratops sp., Styracosaurus sp. (22694) Centrosaurinae indet., Einiosaurus procurvicornis (59373) Monoclonius sp. (167423) Styracosaurus ovatus (45682) Styracosaurus sp., Centrosaurinae indet. (22693) | |
Campanian | Canada (Alberta) | Centrosaurus brinkmani (60364) Centrosaurus recurvicornis (64398) Chasmosaurus russelli (64401) Monoclonius cutleri (13340) Monoclonius sp. (52483 52485 70055) | |
Campanian | Mexico (Chihuahua) | Ceratopsidae indet. (170942) Chasmosaurinae indet. (226324) | |
Campanian | China (Shandong) | Sinoceratops zhuchengensis (96815) | |
Campanian | USA (Wyoming) | Ceratopsia indet. (45861) Ceratopsidae indet. (35367) | |
Campanian - Maastrichtian | Kazakhstan (Aqmola) | Ceratopsidae indet. (53140) | |
Campanian - Maastrichtian | USA (Colorado) | Centrosaurus sp. (189580) | |
Campanian - Maastrichtian | Kazakhstan (Almaty) | Ceratopsidae indet. (53143) | |
Early/Lower Campanian | USA (Texas) | Ceratopsidae indet. (191055 200395 200399) | |
Early/Lower Campanian | Mexico (Coahuila) | Ceratopsidae indet. (113768) | |
Early/Lower Campanian | USA (Utah) | Centrosaurinae indet. (84300 84301 230892) | |
Early/Lower Campanian - Middle Campanian | USA (New Mexico) | Pachyrhinosaurinae indet. (13000 24924) | |
Early/Lower Campanian - Middle Campanian | USA (Utah) | Centrosaurinae indet. (230915) | |
Judithian | USA (Wyoming) | Ceratopsidae indet. (14458) | |
Judithian | USA (Texas) | Ceratopsidae indet. (14488 14489) Chasmosaurus mariscalensis (48941 52462 52463 52464) | |
Judithian | USA (Utah) | Ceratopsidae indet. (75835) | |
Late/Upper Campanian | USA (Arizona) | Crittendenceratops krzyzanowskii, Centrosaurinae indet. (68256) | |
Late/Upper Campanian | USA (Texas) | Agujaceratops sp. (94373) Pentaceratops sp., Brachyceratops sp. (191054) | |
Late/Upper Campanian | Canada (Saskatchewan) | Ceratopsidae indet. (67885) | |
Late/Upper Campanian | USA (Utah) | Centrosaurinae indet. (97803 192256) Ceratopsia indet. (97805 97810) Chasmosaurinae indet. (69799 97800 97801 97802 97806 97808 97809 97811 131868) Kosmoceratops richardsoni (97804) | |
Late/Upper Campanian | Canada (Alberta) | Anchiceratops sp. (51317) Arrhinoceratops sp. (152403) Centrosaurus apertus (11894 58758 58945 59016 59018 59046 64427 65827 65895 65901 65903 65908 65925 65926 65928 65931 65932) Centrosaurus apertus, Chasmosaurus sp. (22659) Centrosaurus sp. (22657 58910 58952 59109 59110 60363 64336 65904 65906 67893 163047) Centrosaurus sp., Ceratops sp. (59025) Ceratops sp. (58950 59039) Ceratopsia indet. (59027 59228) Ceratopsidae indet. (22640 22695 22696 22697 22698 36264 45238 45260 45261 45264 45671 45674 45822 45892 45893 45897 45898 45899 46953 47784 47793 47807 47812 47814 47816 55317 65924 65927 67869 67870 67871 67872 67873 67874 67875 67876 67877 67881 67882 67883 67894) Ceratopsidae indet., Centrosaurinae indet., Centrosaurus apertus (221937) Chasmosaurus belli (45730 45731 58909 58954 59047 191258) Chasmosaurus brevirostris (58912) Chasmosaurus irvinensis (86515) Chasmosaurus kaiseni (35379) Chasmosaurus russelli (64400) Chasmosaurus sp. (22656 24891 24893 59006 59011 59014 59136 191255) Eoceratops canadensis (59026) Mercuriceratops gemini (156536) Monoclonius belli (60873) Monoclonius dawsoni, Monoclonius dawsoni (74657) Monoclonius flexus (58962 191270) Monoclonius nasicornus (13339) Monoclonius sp. (35511 55352 75476) Pachyrhinosaurinae indet. (97762) Pachyrhinosaurus sp. (22699 87125 220129) Styracosaurus albertensis (52487 65929 77259 77261 77265 77266 143007) Styracosaurus sp. (22655 59222) Triceratops horridus (162141) | |
Late/Upper Campanian | USA (New Mexico) | Ceratops sp. (62549 196540) Ceratopsia indet. (35518) Ceratopsidae indet. (47195 53982 62530 196541 196543 222078 222084 230007 230010) Ceratopsidae indet., Pentaceratops sp. (64094 64096) Chasmosaurinae indet. (138832 210631) Chasmosaurus sp. (53981) Monoclonius sp. (62528) Navajoceratops sullivani (138830) Pentaceratops fenestratus (39231) Pentaceratops sp. (46991) Pentaceratops sternbergi (52058) Pentaceratops sternbergii (34826 34827 34828 39229 196511 199764 222481) Torosaurus sp., Chasmosaurinae indet. (227186) Torosaurus utahensis (222091) Triceratops sp. (62533) | |
Late/Upper Campanian | Mexico (Chihuahua) | Centrosaurinae indet. (35707) Ceratopsidae indet. (210630 226998) Chasmosaurus mariscalensis (227230) | |
Late/Upper Campanian | USA (Montana) | Achelousaurus horneri, Stellasaurus ancellae (52435) Furcatoceratops elucidans (231025) Mercuriceratops gemini (156538) Spiclypeus shipporum (55274) | |
Late/Upper Campanian | Mexico (Sonora) | Ceratopsidae indet. (46163) | |
Late/Upper Campanian | USA (Wyoming) | Ceratopsia indet. (45862) | |
Late/Upper Campanian | Mexico (Coahuila) | Ceratopsia indet. (55245) Ceratopsidae indet. (154244 170939 171003 227164 227175) Ceratopsidae indet., Centrosaurinae indet. (24261) Ceratopsidae indet., Ceratopsidae indet. (24258) Coahuilaceratops magnacuerna (97757) Dinosauria indet. (79611) Monoclonius sp. (51545) | |
Middle Campanian | Canada (Alberta) | Centrosaurinae indet. (69151) Ceratopsia indet. (59105) Ceratopsidae indet. (45240 45560 45561 45564 45565 45566 45567 45670 45820 47794 67880 67884 67892 181024) Nasutoceratopsini indet. (206061) Spinops sternbergorum (123351) Wendiceratops pinhornensis (171408) Xenoceratops foremostensis (135811) | |
Middle Campanian | Japan (Kagoshima) | Ceratopsidae indet. (143568) | |
Middle Campanian | USA (Utah) | Centrosaurinae indet. (178847) | |
Middle Campanian | USA (Montana) | Centrosaurus sp., Ceratopsidae indet. (14437) Judiceratops tigris (26779) Medusaceratops lokii, Styracosaurus albertensis (69152) Monoclonius crassus (46121) Monoclonius recurvicornis (228490) | |
Middle Campanian - Late/Upper Campanian | USA (Texas) | Ceratopsidae indet. (68002 68006 150883 212185) Chasmosaurus mariscalensis (22709 25073) | |
Middle Campanian - Late/Upper Campanian | Mexico (Coahuila) | Ceratopsidae indet. (170937) | |
Middle Campanian - Late/Upper Campanian | USA (Montana) | Avaceratops sp. (206062) Centrosaurus sp. (50909) Ceratops montanus (46123) Ceratopsidae indet. (14446 50906 142328 167801 167802) Chasmosaurus sp. (50907) Monoclonius sphenocerus (46122) | |
Middle Campanian - Late/Upper Campanian | Mexico (Chihuahua) | Ceratopsidae indet., Chasmosaurus mariscalensis (35353) | |
Middle Campanian - Late/Upper Campanian | Canada (Alberta) | Anchiceratops sp. (51318) Centrosaurus sp. (53892) Ceratopsidae indet. (45819 45821 45894) Chasmosaurus russelli (64402) Monoclonius canadensis (60874) Monoclonius sp. (59118 64399 188846) | |
Middle Campanian - Late/Upper Campanian | Canada (Saskatchewan) | Ceratopsidae indet. (14494 229975) Chasmosaurinae indet. (75030) | |
Late/Upper Campanian - Early/Lower Maastrichtian | USA (Colorado) | Chasmosaurinae indet. (76715) | |
Late/Upper Campanian - Early/Lower Maastrichtian | Mexico (Coahuila) | Ceratopsidae indet. (227179) Chasmosaurinae indet., Ceratopsia indet. (226295) Chasmosaurus sp. (91053) | |
Late/Upper Campanian - Early/Lower Maastrichtian | Canada (Alberta) | Anchiceratops longirostris (28548) Anchiceratops ornatus (191402) Anchiceratops sp., Pachyrhinosaurus canadensis (52072) Arrhinoceratops brachyops (67612) Ceratopsia indet. (64352 64629) Ceratopsidae indet. (162135 163050) Pachyrhinosaurus canadensis (52071 52249) Pachyrhinosaurus sp., Pachyrhinosaurus canadensis (34744) | |
Late/Upper Campanian - Late/Upper Maastrichtian | Mexico (Sonora) | Ceratopsidae indet. (170931) | |
Late/Upper Campanian - Maastrichtian | USA (New Mexico) | Ceratopsidae indet. (55291 55292 178746 178747) Torosaurus sp. (178745) Triceratops sp. (55286) | |
Maastrichtian | USA (Montana) | Ceratopsia indet. (35510) Ceratopsidae indet. (85498 85499) Triceratops elatus (49016) Triceratops prorsus (173841) Triceratops sp. (38544 55353 55355 64428 64429 100852 109660 109661 142376 189572 228491) Ugrosaurus olsoni (53228) | |
Maastrichtian | USA (Texas) | Bravoceratops polyphemus (145482) Torosaurus sp. (52056) Torosaurus utahensis (227185) | |
Maastrichtian | USA (Wyoming) | Ceratopsia indet. (165881) Triceratops sp. (225318 225319) | |
Maastrichtian | USA (South Dakota) | Torosaurus latus (53128) Triceratops horridus (225317 225924) Triceratops sp. (74175) | |
Maastrichtian | USA (Colorado) | Ceratopsidae indet. (49526 49537 49553 228914) Triceratops galeus (49525) | |
Maastrichtian | Canada (Northwest Territories) | Ceratopsidae indet. (52893) | |
Maastrichtian | USA (North Dakota) | Ceratopsidae indet. (45100 45101 45104 45105 45106 45107 45113 45115 45116 45121 45125 45127 45129 45131 45132 45135 45139 45140 45142 45147 45297 45308 45311 45312 45313 45314 45320 45383 45384 45385) Torosaurus latus (45103) | |
Early/Lower Maastrichtian | Mexico (Coahuila) | Ceratopsidae indet. (219745) | |
Early/Lower Maastrichtian | USA (Alaska) | Ceratopsidae indet. (62631) Pachyrhinosaurus sp. (47787 51889) | |
Early/Lower Maastrichtian | Canada (Alberta) | Anchiceratops longirostris (97797) Anchiceratops ornatus (64630 191401) Arrhinoceratops brachyops (156799) Ceratopsidae indet. (55363 69621 135739 135741) Ceratopsidae indet., Anchiceratops ornatus (76062) Pachyrhinosaurus canadensis (220119) Pachyrhinosaurus sp. (96455 96457 161248) Regaliceratops peterhewsi (191308) | |
Lancian | USA (Montana) | Ceratopsidae indet. (14508 14513 14533 14536 14546 14559 14560 14562 14568 14574 14582 14613 14614 14624 14639 14653 14654) Ceratopsidae indet., Triceratops sp. (14516 14615 14616) Triceratops sp. (14550 14649 81041 81042 144502 179991) | |
Lancian | USA (Wyoming) | Ceratopsia indet. (165877) Ceratopsidae indet. (45844) Chasmosaurinae indet. (14540 14541 14542 14543 14544 70341 70343 75280 75281 75284 75287 75289 75290 75292 75294 75297 75298 75429 75431 75432 75439 75441 75442 75443 75447) Triceratops sp. (14505 14519 14527 14538 14557 14579 14601 14609 165878) | |
Lancian | USA (Colorado) | Triceratops sp. (14640) | |
Lancian | USA (South Dakota) | Ceratopsidae indet. (14571) Triceratops sp. (14537 192251) | |
Lancian | USA (North Dakota) | Ceratopsidae indet. (14610 14620 14621 137601 137704 137706 137707 137711 137712 137713 137715 137724) Ceratopsidae indet., Triceratops sp. (137710 137728) Triceratops sp. (224667) | |
Lancian | Canada (Saskatchewan) | Ceratopsidae indet. (14655) Triceratops sp. (14558 128461) | |
Late/Upper Maastrichtian | USA (North Dakota) | Ceratopsidae indet. (45099 45102 45109 45110 45111 45112 45114 45117 45118 45120 45122 45124 45128 45130 45133 45134 45136 45137 45143 45144 45145 45299 45309 45381 45382 137720) Triceratops horridus (191374) Triceratops prorsus (24851) Triceratops sp. (45123 57919) | |
Late/Upper Maastrichtian | Canada (Alberta) | Eotriceratops xerinsularis (75475) Leptoceratops sp., Iguanodontidae indet. (14569) Torosaurus sp. (47130) Triceratops albertensis (47127 47128) | |
Late/Upper Maastrichtian | USA (Colorado) | Bison alticornis (46139) Ceratopsia indet. (49527) Ceratopsidae indet. (46210 49523 49528 49535 49539 49540 49541 49543 49547 49550 49551 49552 49555 49556 184700 219683) Dinosauria indet. (49533 49542) Polyonax mortuarius (49524) Triceratops sp. (49529 49531 49534 49536 49544 73927 182584) | |
Late/Upper Maastrichtian | USA (Texas) | Ceratopsidae indet. (52091) Pentaceratops sp. (85188) Torosaurus utahensis (69211) | |
Late/Upper Maastrichtian | USA (Utah) | Arrhinoceratops utahensis (48842) Ceratopsia indet. (45719) Ceratopsidae indet. (52926) Triceratops sp. (48549) | |
Late/Upper Maastrichtian | Canada (Saskatchewan) | Ceratopsidae indet. (152402) Chasmosaurinae indet. (52837) Triceratops prorsus (152400 152401 228825 228826 228827) Triceratops sp. (14555 52836 54105 152399 225845) Triceratops sp., Triceratops prorsus (45675) | |
Late/Upper Maastrichtian | USA (Mississippi) | Ceratopsidae indet. (212621) | |
Late/Upper Maastrichtian | USA (New Mexico) | Ceratopsidae indet. (59068 62529 62531 62532 62534 62546 138834 138836 171028 171031) Ceratopsidae indet., Ojoceratops fowleri (47819) Chasmosaurinae indet. (68042) Ojoceratops fowleri (97795 97796 138833 171027) | |
Late/Upper Maastrichtian | USA (South Dakota) | Ceratopsidae indet. (45390) Tatankaceratops sacrisonorum (97798) Torosaurus sp., Triceratops sp. (224484) Triceratops horridus (179969 224486) Triceratops sp. (50082 124934 150890 150892 150893 179970 216603 224488 224489 224490 224492) | |
Late/Upper Maastrichtian | USA (Wyoming) | Agathaumas sylvestris (46117) Ceratops horridus (46119) Ceratopsia indet. (52089) Ceratopsidae indet. (22638 46125 175972) Diceratops hatcheri (46133) Torosaurus gladius (46135) Torosaurus latus (46134) Triceratops brevicornus (46132 52683) Triceratops calicornis (50931) Triceratops elatus (46130 52682 52691 52692) Triceratops eurycephalus (52107) Triceratops flabellatus (46136 165876) Triceratops ingens (50930) Triceratops obtusus (46131) Triceratops prorsus (46127 46129 52690 52694 189513) Triceratops serratus (46126) Triceratops serratus, Ceratopsia indet. (52686) Triceratops sp. (14585 26760 45878 50086 50087 52088 52681 52684 52687 52688 52693 52695 54177 54179 57161 57162 57166 57168 142325 164991 164992 164993 191271 226054 226055) Triceratops sp., Triceratops sulcatus (52685) Triceratops sulcatus (46138 52689) | |
Late/Upper Maastrichtian | USA (Montana) | Ceratopsidae indet., Triceratops sp. (142326) Triceratops horridus (217183) Triceratops prorsus (14674 173842) Triceratops sp. (13142 55354 67129 72143 88990 99441 109659 157187 162855 179968 183109 183110 189003 221004 221005 221007 227182 227283) |