Geological formations
100 formations
This section presents the 100 most-cited geological formations in the Paleobiology Database for the groups covered by Dinopedia (out of over 1,600 referenced formations). A formation is a named stratigraphic unit characterised by its lithology and age, constituting an archive of organisms from a given depositional environment.
Morrison
1,191 occ.
🇺🇸
Hell Creek
735 occ.
🇺🇸
Dinosaur Park
720 occ.
🇨🇦
Oldman
324 occ.
🇨🇦
🇺🇸
Nemegt
316 occ.
🇲🇳
Portland
302 occ.
🇺🇸
Lance
292 occ.
🇺🇸
Aguja
274 occ.
🇺🇸
🇲🇽
Elliot
273 occ.
🇿🇦
🇱🇸
Fruitland/Kirtland
258 occ.
🇺🇸
Tendaguru
236 occ.
🇹🇿
Kirtland
224 occ.
🇺🇸
Cloverly
223 occ.
🇺🇸
Cedar Mountain
209 occ.
🇺🇸
Two Medicine
200 occ.
🇺🇸
🇨🇦
Horseshoe Canyon
196 occ.
🇨🇦
Judith River
176 occ.
🇺🇸
🇨🇦
Djadokhta
172 occ.
🇲🇳
🇨🇳
Lameta
168 occ.
🇮🇳
Baynshire
158 occ.
🇲🇳
🇰🇿
Bissekty
156 occ.
🇺🇿
Conques
152 occ.
🇪🇸
Cerro del Pueblo
150 occ.
🇲🇽
Allen
149 occ.
🇦🇷
Lourinhã
136 occ.
🇵🇹
Kimmeridge Clay
129 occ.
🇬🇧
🇫🇷
Villar del Arzobispo
123 occ.
🇪🇸
Kayenta
121 occ.
🇺🇸
Ferris
120 occ.
🇺🇸
Huérteles
119 occ.
🇪🇸
Baruungoyot
115 occ.
🇲🇳
Milk River
113 occ.
🇨🇦
Niobrara
112 occ.
🇺🇸
🇨🇦
Chinle
111 occ.
🇺🇸
Wessex
108 occ.
🇬🇧
Griman Creek
103 occ.
🇦🇺
Vitakri
103 occ.
🇵🇰
Yixian
101 occ.
🇨🇳
Sousa
101 occ.
🇧🇷
Reuchenette
100 occ.
🇨🇭
Oxford Clay
97 occ.
🇬🇧
🇫🇷
Jindong
97 occ.
🇰🇷
Lufeng
95 occ.
🇨🇳
Maevarano
94 occ.
🇲🇬
Glen Rose Limestone
94 occ.
🇺🇸
Ojo Alamo
93 occ.
🇺🇸
Broome Sandstone
92 occ.
🇦🇺
West Melbury Marly Chalk
88 occ.
🇬🇧
Pierre Shale
87 occ.
🇺🇸
🇨🇦
Navajo Sandstone
86 occ.
🇺🇸
Arcillas de Morella
83 occ.
🇪🇸
Fruitland
81 occ.
🇺🇸
Wapiti
81 occ.
🇨🇦
Posidonia Shale
81 occ.
🇩🇪
Sînpetru
79 occ.
🇷🇴
El Castellar
79 occ.
🇪🇸
Ilek
79 occ.
🇷🇺
Shaximiao
78 occ.
🇨🇳
La Posa
77 occ.
🇪🇸
Sao Khua
77 occ.
🇹🇭
Adamantina
76 occ.
🇧🇷
El Molino
74 occ.
🇧🇴
Isalo IIIb
67 occ.
🇲🇬
Eumeralla
66 occ.
🇦🇺
"Wonthaggi"
65 occ.
🇦🇺
Camarillas
64 occ.
🇪🇸
East Berlin
63 occ.
🇺🇸
Densuş-Ciula
61 occ.
🇷🇴
Candeleros
61 occ.
🇦🇷
Winton
60 occ.
🇦🇺
Alcobaça
58 occ.
🇵🇹
Jiaguan
56 occ.
🇨🇳
Pingling
55 occ.
🇨🇳
Gething
55 occ.
🇨🇦
Kaiparowits
54 occ.
🇺🇸
Bostobe
54 occ.
🇰🇿
Khodzhakul
54 occ.
🇺🇿
Anacleto
53 occ.
🇦🇷
Serra da Galga
53 occ.
🇧🇷
Denver
52 occ.
🇺🇸
Passaic
52 occ.
🇺🇸
Jiufotang
52 occ.
🇨🇳
Turners Falls
52 occ.
🇺🇸
Romualdo
51 occ.
🇧🇷
Foremost
51 occ.
🇨🇦
Javelina
51 occ.
🇺🇸
🇲🇽
Wayan
51 occ.
🇺🇸
Blesa
49 occ.
🇪🇸
López de Bertodano
47 occ.
🇦🇶
Arundel Clay
47 occ.
🇺🇸
Bückeberg
47 occ.
🇩🇪
Frenchman
46 occ.
🇨🇦
Wadhurst Clay
45 occ.
🇬🇧
Tianjialou
45 occ.
🇨🇳
Sebeş
45 occ.
🇷🇴
Conway
45 occ.
🇳🇿
Toolebuc
44 occ.
🇦🇺
Bajo de la Carpa
43 occ.
🇦🇷
Clarens
43 occ.
🇱🇸
🇿🇦
Durlston
42 occ.
🇬🇧
