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The heaviest Ornithischians (Ornithischia) Top 10

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The heaviest Ornithischians Top 10

Weight, dimensions, size of Ornithischians (Ornithischia)

The Ornithischia is one of the two clade of dinosaurs beside to the Saurischia.

To better distinguish the dinosaurs from each other, the British paleontologist Harry Govier Seeley (1839-1909) subdivided them in 1887. He divided the reptiles into Saurischia and Ornithischia. The distinction was based on the position of the pelvic bones, which were found in the skeletons of the dinosaurs. The lizard pterosaurs had an arrangement of the pelvic bones similar to that of other reptiles. In contrast, the pelvic dinosaurs show similarities to the birds in their pelvic structure. There is no relationship to them, because the birds developed from a sideline of the Saurischia.

Today we present the world’s largest list of Ornithischians (Ornithischia) ranked by weight. Soon we will present a list of the longest Ornithischians (Ornithischia).

The heaviest Ornithischians (Ornithischia) Top 10

No	Dinosaur	Weight [t]	Weight [kg]	Weight [lb]
1	Shantungosaurus giganteus	16.5 t	16 500 kg	36 376 lb
2	Edmontosaurus annectens	14.5 t	14 500 kg	31 967 lb
3	Barsboldia sicinskii	13.3 t	13 300 kg	29 321 lb
4	Hypsibema crassicauda	11.0 t	11 000 kg	24 251 lb
5	Triceratops maximus	10.7 t	10 700 kg	23 589 lb
6	“Hadrosaurus” breviceps	10.0 t	10 000 kg	22 046 lb
7	“Trachodon” longiceps	9.1 t	9 100 kg	20 062 lb
8	Saurolophus angustirostris	9.0 t	9 000 kg	19 842 lb
9	Magnapaulia laticaudus	9.0 t	9 000 kg	19 842 lb
10	Ugrosaurus olsoni	8.8 t	8 800 kg	19 401 lb
11	Iguanodon bernissartensis	8.5 t	8 500 kg	18 739 lb
12	Triceratops horridus	8.3 t	8 300 kg	18 298 lb
13	Eotriceratops xerinsularis	8.2 t	8 200 kg	18 078 lb
14	Triceratops prorsus	8.1 t	8 100 kg	17 857 lb
15	Triceratops albertensis	7.8 t	7 800 kg	17 196 lb
16	Parrosaurus missouriensis	7.5 t	7 500 kg	16 535 lb
17	Torosaurus latus	7.0 t	7 000 kg	15 432 lb
18	Charonosaurus jiayinensis	6.8 t	6 800 kg	14 991 lb
19	Edmontosaurus regalis	6.6 t	6 600 kg	14 551 lb
20	Amurosaurus riabinini	6.2 t	6 200 kg	13 669 lb
21	Lanzhousaurus magnidens	6.0 t	6 000 kg	13 228 lb
22	Stegosaurus ungulatus	6.0 t	6 000 kg	13 228 lb
23	Ankylosaurus magniventris	6.0 t	6 000 kg	13 228 lb
24	Sinoceratops zhuchengensis	5.7 t	5 700 kg	12 566 lb
25	Ornithotarsus immanis	5.6 t	5 600 kg	12 346 lb
26	Hypacrosaurus stebingeri	5.5 t	5 500 kg	12 125 lb
27	“Duranteceratops”	5.5 t	5 500 kg	12 125 lb
28	Probrachylophosaurus bergei	5.4 t	5 400 kg	11 905 lb
29	Shuangmiaosaurus gilmorei	5.4 t	5 400 kg	11 905 lb
30	Hypacrosaurus altispinus	5.3 t	5 300 kg	11 685 lb
31	Parasaurolophus tubicen	5.3 t	5 300 kg	11 685 lb
32	Delapparentia turolensis	5.1 t	5 100 kg	11 244 lb
33	Iguanacolossus fortis	5.0 t	5 000 kg	11 023 lb
34	Triceratops sulcatus	5.0 t	5 000 kg	11 023 lb
35	Yunganglong datongensis	4.7 t	4 700 kg	10 362 lb
36	Saurolophus osborni	4.5 t	4 500 kg	9 921 lb
37	Tsintaosaurus spinorhinus	4.5 t	4 500 kg	9 921 lb
38	Datonglong tianzhenensis	4.5 t	4 500 kg	9 921 lb
39	Barilium dawsoni	4.3 t	4 300 kg	9 480 lb
40	Brachylophosaurus canadensis	4.2 t	4 200 kg	9 259 lb
41	Kritosaurus navajovius	4.2 t	4 200 kg	9 259 lb
42	Gryposaurus alsatei	4.2 t	4 200 kg	9 259 lb
43	“Iguanodon” orientalis	4.1 t	4 100 kg	9 039 lb
44	Corythosaurus casuarius	4.1 t	4 100 kg	9 039 lb
45	Cedarpelta bilbeyhallorum	4.0 t	4 000 kg	8 818 lb
46	Pachyrhinosaurus canadensis	3.9 t	3 900 kg	8 598 lb
47	Stegosaurus armatus	3.8 t	3 800 kg	8 378 lb
48	Stegosaurus stenops	3.8 t	3 800 kg	8 378 lb
49	Titanoceratops ouranos	3.8 t	3 800 kg	8 378 lb
50	Secernosaurus koerneri	3.7 t	3 700 kg	8 157 lb
51	Edmontonia rugosidens	3.7 t	3 700 kg	8 157 lb
52	Anasazisaurus horneri	3.6 t	3 600 kg	7 937 lb
53	Dacentrurus armatus	3.6 t	3 600 kg	7 937 lb
54	Magnamanus soriaensis	3.5 t	3 500 kg	7 716 lb
55	Prosaurolophus maximus	3.5 t	3 500 kg	7 716 lb
56	Olorotitan arharensis	3.5 t	3 500 kg	7 716 lb
57	Lurdusaurus arenatus	3.5 t	3 500 kg	7 716 lb
58	Parasaurolophus cyrtocristatus	3.4 t	3 400 kg	7 496 lb
59	Plesiohadros djadokhtaensis	3.4 t	3 400 kg	7 496 lb
60	Diracodon laticeps	3.4 t	3 400 kg	7 496 lb
61	Denversaurus schlessmani	3.4 t	3 400 kg	7 496 lb
62	Agathaumas sylvestris	3.3 t	3 300 kg	7 275 lb
63	Bayannurosaurus perfectus	3.2 t	3 200 kg	7 055 lb
64	Mandschurosaurus amurensis	3.2 t	3 200 kg	7 055 lb
65	Parasaurolophus walkeri	3.2 t	3 200 kg	7 055 lb
66	Adelolophus hutchisoni	3.1 t	3 100 kg	6 834 lb
67	Gryposaurus notabilis	3.1 t	3 100 kg	6 834 lb
68	“Hadrosaurus” cavatus	3.0 t	3 000 kg	6 614 lb
69	Augustynolophus morrisi	3.0 t	3 000 kg	6 614 lb
70	Muttaburrasaurus langdoni	3.0 t	3 000 kg	6 614 lb
71	“Brachylophosaurus” goodwini	3.0 t	3 000 kg	6 614 lb
72	Corythosaurus intermedius	3.0 t	3 000 kg	6 614 lb
73	Gryposaurus latidens	3.0 t	3 000 kg	6 614 lb
74	Sirindhorna khoratensis	3.0 t	3 000 kg	6 614 lb
75	Miragaia longicollum	3.0 t	3 000 kg	6 614 lb
76	Paranthodon africanus	3.0 t	3 000 kg	6 614 lb
77	Bravoceratops polyphemus	3.0 t	3 000 kg	6 614 lb
78	Edmontonia longiceps	3.0 t	3 000 kg	6 614 lb
79	Ojoceratops fowleri	3.0 t	3 000 kg	6 614 lb
80	Torosaurus utahensis	3.0 t	3 000 kg	6 614 lb