List of dinosaurs leading rock formations

This list of leading rock formations does not claim to be exhaustive.

Sites of fossil dinosaurs

Surname	Age	Reference	Description - Taxa	Illustrations
Adamantina formation	Upper Cretaceous, Turonium to Santonium	Brazil , São Paulo , Minas Gerais	Red, aeolian , fluviatile and limnic sandstones and siltstones that were deposited under semi-arid conditions Adamantisaurus , Maxakalisaurus
Aguja formation	Upper Cretaceous: Campanium to Maastrichtian	United States , Texas	Alternating sand and clay stones of a river delta
Allaru formation	Lower Cretaceous, Albium	Australia , Queensland	Neritic clay sediments, including sandstones and siltstones
Allen formation	Upper Cretaceous, Campanium to Maastrichtian	Argentina , Río Negro	Sandy littoral and fluvial deposits
Anacleto formation	Upper Cretaceous, Campanium	Argentina, Neuquén	Violet and dark red fluvial sand, silt and clay stones of an alluvial alluvial plain
Antlers formation	Lower Cretaceous, Aptium- Albium	United States, Arkansas , Oklahoma , Texas	Fine to coarse-grained fluvial sandstones and silty to sandy, partly lignite- containing clay stones of a meander
Argana Formation or Timezgadiwine Formation	Upper Triassic, Carnium	Morocco , High Atlas , Argana Basin	Fluvial sandstones and red playa clay stones
Arundel formation	Lower Cretaceous, Aptium	United States, Maryland	Clayey Sumpffazies a meandering backwater
Bahariya formation	Upper Cretaceous, Cenomanium	Egypt	Lagunar , estuarine and fluvial sand and siltstones Aegyptosaurus , Paralititan , Rebbachisaurus ; Bahariasaurus , Carcharodontosaurus , Sigilmassasaurus , Spinosaurus
Bajo Barreal Formation	Upper Cretaceous, Campanium to Maastrichtian	Argentina, Chubut	Alternately gray and green tuffs with sandstone and conglomerate layers and paleosols ; fluvial and limnic deposit conditions.
Bajo de la Carpa formation	Upper Cretaceous, Santonium	Argentina, Neuquén, Río Negro	Fluvial sandstones with thin layers of silt and clay, with drusen and paleo soils
Barun Goyot Formation	Upper Cretaceous, Middle to Upper Campanium	Mongolia , Ömnö-Gobi-Aimag	Aeolian deposits (dune facies)
Bauru group	Upper Cretaceous, Coniacium to Maastrichtian	Brazil , Minas Gerais , São Paulo	Terrigenic siliciclastic and carbonate- containing rocks (red sediments); fluvial, limnic and aeolian deposit conditions; semi-arid to arid climate Adamantisaurus , Baurutitan , Maxakalisaurus , Trigonosaurus , Uberabatitan
Bayan Shireh formation (different spellings)	Upper Cretaceous, Santonium to Campanium	Mongolia, Dorno-Gobi-Aimag	Continental facial fine-grain sandstones with brown / red mudstone layers
Blue Lias Formation	Lower Jurassic	England , Dorset , Leicestershire , Somerset , Warwickshire , Yorkshire	Marine marl lime-claystone alternating layers	The Blue Lias at Lyme Regis
Bushveld sandstone formation	Upper Triassic, Carnium , Norium	South Africa , Transvaal	Solid, unlayered, white to pink-colored, fine-grain sandstones - former loess deposits
Camadas de Alcobaça formation	Upper Jurassic, Oxfordian to Kimmeridgian	Portugal , Leiria District , Lisbon District	Calcareous sandstones, fossil limestone, oolite and pisolite
Cañadón Asfalto Formation	Middle Jurassic, Callovium	Argentina, Chubut	Pelite , arcoses , lacustrian limestone as well as tuff and basaltic lava layers. Sediment filling of a rift trench system .
Candeleros formation	Upper Cretaceous, Cenomanium	Argentina, Mendoza , Neuquén, Río Negro	Sandstones and conglomerates of a pigtail stream. Subordinate to aeolian deposits and silty swamp sediments with paleo soils.
Caturrita formation	Upper Triassic, Upper Carnian to Norium	Brazil, Rio Grande do Sul ( Paleorrota )	Massive sandstones (alluvial alluvial sediments), subordinate fine-layered, alternating layers of sand, silt and claystone of a meandering river course Guaibasaurus , Staurikosaurus , Unaysaurus
Cedar Mountain Formation	Lower Cretaceous: Barremian to lower Cenomanian	United States, Utah	Continental deposits (conglomerates, sand and clay stones, in the upper section also volcanic ash)	Cedar Mountain Formation (upper half of figure)
Cerro Lisandro Formation	Upper Cretaceous, Cenomanian to Turonian	Argentina, Neuquén	Red silt and clay stones, swamp facies
Chinle formation	Upper Triassic, Carnian to Rhaetian	United States, Arizona , Colorado , Nevada , New Mexico , Utah	Continental deposits (pigtail and overflow sediments, lake sediments) Camposaurus , Chindesaurus , Coelophysis , Gojirasaurus	Badlands of the Chinle Formation
Clarens formation	Lower Jurassic, Pliensbachian to Toarcian	Lesotho , South Africa, Eastern Cape , Free State , KwaZulu-Natal , Limpopo	Fluvio-aeolian to Aeolian fine-grained arenites of the arid climate, increasingly phreatomagmatic and lacustric deposits in the eastern section; mostly flash flood sedimentation in wadis .
Cloverly formation	Lower Cretaceous: Aptium to Albium	United States, Montana , Wyoming	Mainly colored bentonitic clay stones (pyroclastic ashes); Chert-bearing conglomerates at the base, then alluvial quartz arenite inclusions, marine transgression sediments at the end.	Cloverly Formation at Shell, Wyoming
" Continental intercalaire " ( Asfer Group )	Upper Jurassic, Lower Cretaceous, Oxfordian to Albian	North Africa, Algeria , Tunisia , Libya	Alternating continental clay and sandstone layers (predominant), subordinate limestone, dolomite , evaporite and lignite layers . Important groundwater reservoir in the northern Sahara .
Cooper Canyon Formation	Upper Triassic, Norium	United States, Texas	Predominantly red, fluviatile siltstones and claystones (overflow sediments), into which mica- and feldspar-rich sandstone layers (litharenites) and conglomerate horizons are inserted
Csehbánya formation	Upper Cretaceous: Santonium	Hungary , Bakonywald	Alluvial alluvial sediments (sandstones, claystones, silty sandstones, sandstones mixed with boulders and clays)
Dakota formation	Upper Cretaceous: Cenomanium	United States, Iowa , Kansas , Minnesota , Nebraska , Wisconsin	Littoral siltstones and sandstones, some with activated coal seams and paleo soils	Dakota Formation in central Kansas
Daohugou layers	Middle and Upper Jurassic, Bathonian to Kimmeridgian	People's Republic of China , Inner Mongolia	Gray, fine-layered, sandy mudstones with intermediate layers of tufa; lacustric facies
Dashanpu dinosaur site	Middle to Upper Jurassic, Bajocium to Callovium	People's Republic of China, Sichuan	Lacustrian and fluvial sediments with swept-in vertebrate and tree remains
Dashuigou formation	Lower Cretaceous, Barremium to Albium	People's Republic of China, Inner Mongolia	Fluvial sediments and alluvial plain deposits
Demopolis Chalk Formation	Upper Cretaceous, Campanium	United States, Alabama , Mississippi , Tennessee	Chalk sediments	Demopolis Chalk Formation
Denver formation	Upper Cretaceous: Upper Maastricht including the Cretaceous / Tertiary border	United States, Colorado	Fluvial deposits
Dinosaur park formation	Middle to Upper Campanium	Canada , Alberta	Fluvial deposits, in the upper section with coal seams	Dinosaur Park formation
Djadochta formation (different spellings)	Upper Santonium - Lower Campanium	Mongolia	Aeolian dune facies	Djadochta formation
Dockum Group	Triassic, Carnian to Rhaetian	United States, Colorado, Kansas, New Mexico, Oklahoma , Texas	Fluvial deposits and lake sediments
Eijnhoro formation	Lower Cretaceous	People's Republic of China, Inner Mongolia
El Tranquilo Formation	Upper Triassic, Carnian to Rhaetian	Argentina, Santa Cruz	Continental sandstones
Elliot formation	Upper Triassic - Lower Jurassic ( Hettangian to Sinemurian )	South Africa, Lesotho	Fluvial claystones, subordinate sandstones and limes; low-energy meander facies in an arid to semi-arid alluvial plain
Elrhaz formation	Lower Cretaceous, Aptium to Albium	Niger	Diagonally layered fluvial sandstones
Fleming Fjord Formation	Upper Triassic	East Greenland , Jamesonland	Alluvial, red colored siltstones and sandstones, subordinate lacustric mudstones and dolomites
Forest Sandstone	Lower Jurassic, Hettangian to Sinemurian	Zimbabwe , Matabeleland North	Sandstones
Frenchman formation	Upper Cretaceous: Upper Maastrichtian	Canada, Saskatchewan	Fluvial sandstones and green to green-gray mudstones, deposited under mesothermal climatic conditions
Glen Rose Formation	Lower Cretaceous: Aptium / Albium border	United States, Texas	Subtidal to supratidal alternation of (partly sandy) chalk-limestone banks and marls of a shallow sea (former Gulf of Mexico )
Gosau layers	Upper Cretaceous (Coniacian to Maastrichtian) to Paleocene	Austria	Marl, sandstones and conglomerates; in the lower section limno-fluviatile and shallow marine facies , in the upper section marine deep-water facies
Grès à Avicula contorta	Upper Triassic, Norium to Rhaetium	France , Meurthe-et-Moselle	Mica-rich, calcareous gray-white sandstones and sands; clayey and rubble-bearing intermediate layers; Littoral and delta facies
Grès à reptiles	Upper Cretaceous, Maastrichtian	France, Bouches-du-Rhône , Var	Fluvial sandstones (partly conglomerate) embedded in red claystones, isolated pisolithic limestone and paleo soils
Grès de l'Infralias	Upper Triassic, Rhaetium	France, Haute-Marne	Sandstones
Hastings Beds	Lower Cretaceous, Berriasium to Valanginium	England, Kent , East Sussex , West Sussex	Alternating sandstone / siltstone and claystone layers of the littoral or an estuary
Heiberg formation	Upper Triassic to Lower Jura	Canada, Nunavut , Axel Heiberg Island	Alternating storage of dark gray clay and siltstones with fine-grained sandstones; the sand fraction predominates in the upper section; Delta facies
Hell Creek Formation	Upper Cretaceous: Upper Maastrichtian	United States, Montana , North Dakota , South Dakota , Wyoming	Fluvial clay and sandstones, partly also delta and swamp facies	Hell Creek formation
Horseshoe Canyon Formation	Upper Cretaceous: Upper Campanium to Lower Maastrichtium	Canada, Alberta	Mudstones, sandstones and coal-bearing slates; strongly differentiated deposit areas (fluvial alluvial plain, littoral, lagoon, estuary, mudflats , peaty swamp)	Horseshoe Canyon Formation
Huincul formation	Upper Cretaceous, Cenomanium	Argentina, Neuquén, Río Negro	Green and yellow sandstones, deposits of intermittent waters of the arid climate
Irish Dabasu Formation	Upper Cretaceous, Campanium to Maastrichtian	People's Republic of China, Inner Mongolia	Fluvial deposits of a pigtail stream in an alluvial plain; Clay fraction predominant
Ischigualasto formation	Upper Triassic, Carn	Argentina, San Juan	Fluvial alluvial deposits with volcanic inclusions	Ischigualasto formation
Jiufotang formation	Aptium / Albium	People's Republic of China	Conglomerate, sandstone, tufa sandstones, tufa mudstones, and mudstones (predominant); limnic deposits with volcanic inclusions
Judith River Formation	Middle to Upper Campanium	United States (Montana), Canada (Alberta, Saskatchewan)	Basal sandstone - littoral facies, dark gray siltstones with silty, green-gray claystones and lignite - fluvial alluvial facies (middle section), gray to yellow massive sandstones - littoral facies or shelf facies (upper section)
Kaiparowits formation	Upper crayon: Campanium	United States, Utah	Sandstones and alluvial, partly bentonitic mudstones, as well as isolated palaeosoils - mainly continental delta and alluvial facies with volcanic inclusions; short-term marine influence (estuaries)
Kayenta formation	Lower Jurassic, Sinemurian to Pliensbachian	United States, Arizona, Colorado, Nevada, Utah	Reddish, brown to violet-colored sand, silt and clay stones, mostly conglomerates at the base, subordinate thin, gray-blue limestone layers; low-energy fluvial deposits, alluvial facies and limnic sediments	Kayenta formation
Khukhtek formation (different spellings)	Lower Cretaceous, Aptium to Albium	Mongolia, Dorno-Gobi-Aimag
Kimmeridge Clay	Upper Jurassic, Kimmeridgian to Tithonian	England, Dorset	Calcareous claystones at the base, rhythmic alternation of oil shale and massive, gray, carbonaceous claystones, subordinate diagenetic dolomite banks and coccolithic limestone banks ; restrictive marine facies
Kirtland formation	Upper Cretaceous: Upper Campanium to Maastrichtian	United States, Colorado, New Mexico	Alluvial clay and sandstones, volcanic ash layers, paleo soils; Alluvial deposits of a low-energy pigtail flow
Kitadani formation	Lower Cretaceous, Barremium to Aptium	Japan	Green tuffhaltige sandstones at the base, alternating layers of calcareous shales and sandstones final Ortho quartzite pebbles ; fluvial deposits in a humid, temperate climate
Kota formation	Lower Jurassic, Hettangian to Pliensbachian	India , Andhra Pradesh	Basic conglomerate, sandstones with claystone lenses, limestone bands with claystones, finally clay, silt and sandstones; fluvial or lacustric sediments
La Amarga Formation	Lower Cretaceous, Barremium to Aptium	Argentina, Mendoza , Neuquén, Río Negro	Fluviatile sandstones, lake sediments and alluvial plain deposits with swamp facies and paleo soils
Laguna Colorada Formation	Upper Triassic, Norium	Argentina, Santa Cruz	Continental red sediments with volcanic inclusions
Lameta formation	Upper Cretaceous, Maastrichtian	India, Gujarat , Madhya Pradesh , Maharashtra	Red and green, silty mudstones, fluvial sandstones and conglomerates, lacustric, laminated violet / green mudstone-siltstone layers and limestone series, swamp-facial gray marls and limes
Lance formation	Upper Cretaceous: Upper Maastrichtian	United States, Colorado, Montana, North Dakota, Wyoming	Gray sandy slate, light-colored sandstones, marl and thin brown coal horizons; marine littoral in the lower section, then fluvial deposits in a coastal plain	Lance formation
Laramie formation	Upper Cretaceous: Upper Maastrichtian	United States, Colorado	Sandstone banks, mudstones and coal seams in the lower section, then mostly gray-brown mudstones with thin layers of sandstone and coal; Deposits of a former coastal plain, the coal seams indicate swamps	Laramie formation
Lion's Arch Formation	Upper Triassic, Norium	Germany	Light, fine to coarse-grained sandstones with conglomerate layers, interlocked with clay stones, occasional limestone and dolomite layers; Stratified flood and river channel facies with soil formations in flood plains
Lohan Cura formation	Lower Cretaceous, Aptium to Albium	Argentina, Mendoza, Neuquén, Río Negro	Base conglomerate, fluvial sandstones, siltstones and dominant clay slates in the lower section, river channel sandstones above and final siltstones and claystones
Los Colorados Formation	Upper Triassic, Norium	Argentina, La Rioja	Red, banked and diagonally layered, fine to medium-grain sandstones and thin-banked, fine-grain sandstones in alternation with siltstones in the upper section; fluvial deposits with overlying flood sediments
Lossie Mouth Sandstone	Upper Triassic, Carnium	Scotland	Red-brown, white and gray, obliquely layered sandstones, siltstones and claystones; aeolian and fluvial deposits
Lufeng formation	Lower Jurassic, Hettangian, Sinemurian	People's Republic of China, Yunnan	Basal breccia, dark red and dark purple clay, silt and sandstones, above them green-yellow-banded sandy slates, which then take on a wine-red color and contain limestone and evaporite layers, final sandstone;
Maevarano formation	Upper Chalk	Madagascar , Mahajanga	Reddish, coarse-grained sandstones with paleo soils, sloping, white-gray, clay-rich sandstone, finally clay, silt and sandstones; fluvial deposits with flood sediments in a semi-arid climate
Magnesian Conglomerates	Upper Triassic, Norium, Rhaetium	England	Column filling containing dolomite in carbonate limestone
Mainhardt formation	Upper Triassic, Carnian	Germany	Red and gray clay stones with sulphate tuber layers ( gypsum , anhydrite ) and marl banks; periodically flooded and again drying out playa pool
Malargüe group	Upper Chalk	Argentina, Mendoza	Sandy littoral and fluvial deposits
Maleri formation	Lower Upper Triassic, Carnian to Norian	India, Andhra Pradesh	Red claystones, fine to medium-grain sandstones and peloid calcarenites; continental, fluvial red sediments with associated flood deposits
Marnes irisées supérieures	Upper Triassic, Norium	France, Ain , Doubs , Jura , Meurthe-et-Moselle	Red, green, purple and gray mudstones, marls, dolomitic mudstones, gypsum nodules and layers of brown coal; intertidal to supratidal lagoon facies Plateosaurus
Milk River Formation	Upper Cretaceous: Santonium to Campanium	Canada, Alberta	Mudstones at the base, massive yellow to white sandstones, finally slate, siltstones, sandstones and coal seams; marginal marine to continental, fluvial sediments including swamp facies
Mooreville Chalk	Upper Cretaceous, Santonium to Campanium	United States, Alabama, Mississippi	Marine, pelagic chalk sediments
Morrison formation	Upper Jurassic: Upper Oxfordian to Lower Tithonian	United States, Arizona, Colorado, Idaho, Kansas, Montana, Nebraska, New Mexico, North Dakota, Oklahoma, South Dakota, Texas, Utah, Wyoming	Sandstones, reddish, purple and gray, silty claystones, claystones with volcanic ash (bentonite), coal seams; gradual transition from marginal marine to continental facies	Morrison formation
Mount Kirkpatrick Formation	Triassic - Middle Jurassic	Antarctic	In the lower section quartz sandstone, silt and clay stones, calcareous clay slate, glassy tufa layers , peat horizons with tree trunks - river channels and flood sediments; in the upper section volcanic deposits - tuffs, sandstones containing tufa, lapilli , lahars and finally tholeiitic basalts
Mpandi formation	Upper Triassic	Zimbabwe, Matabeleland South	Red, silty clay stones and siltstones with traces of roots and small lime lumps at the base - semi-arid flood plain; further up, quartz-rich, obliquely layered sand and siltstones with limestone concretions and silicified root tracks - river channel facies
Nam Phong Formation	Upper Triassic, Norium to Rhaetium	Thailand	Red fluvial deposits
Navajo Sandstone	Lower Jurassic, Pliensbachian to Toarcian	United States, Arizona, Colorado, Nevada, Utah	Aeolian, white to pink, obliquely layered, massive sandstone	Navajo Sandstone
Nemegt formation (different spellings)	Upper Cretaceous, Campanium to Maastrichtian	Mongolia	Alternating storage of conglomerates, sand, silt and clay stones, occasional layers of cabonat tubers; fluvial river channel, dead arm and overflow sediments
Neuquén group	Upper Cretaceous, Cenomanium to Campanium	Argentina, Mendoza, Neuquén, Río Negro	Mainly alluvial, partly intermittent deposits (pigtail facies, overflow sediments, swamp facies)
New Oxford formation	Upper Triassic	United States, Maryland , Pennsylvania	Basic conglomerate (partly calcareous), red-colored and gray sandstones, siltstones and claystones; fluvial rift sediments
Newark supergroup	Upper Triassic to Lower Jura	United States ( Connecticut , Maryland, New Jersey , North Carolina , Massachusetts , Pennsylvania), Canada ( Nova Scotia )	Conglomerates, arkose sandstones, silt and clay stones; red colored, continental Riftsedimente interspersed with basic to ultrabasic transitions and sills
Niobrara formation	Upper Cretaceous: Coniacium to Lower Campanium	United States, Kansas, Nebraska	Marine chalk limestone sediments
Oldman formation	Upper Cretaceous: Middle Campanium	Canada, Alberta	Light gray mudstone at the base, above light gray, fine to coarse-grained sandstone, followed by alternating layers of mudstone and siltstone with traces of roots, wood residues ( conifers ) and soil horizons; continental alluvial sediments and marshes
Oxford Clay	Middle Jurassic, Callovian to Oxfordian	England, Bedfordshire , Cambridgeshire , Dorset, Oxfordshire , Yorkshire	Marine clay sediments	Oxford Clay at Weymouth
Paw-Paw formation	Lower Cretaceous: Upper Albium	United States, Texas	Brown clay and sandstones, marls, limes, iron stone concretions , pyritized ammonites ; neritic deposits
Pekin formation	Upper Triassic	United States, North Carolina	Basic conglomerate, sand, silt and clay stones, with occasional layers of arkose sandstone; red, purple, gray and brown clastic rift sediments in mostly lacustric and fluvial facies, sometimes also swamp facies
Plotting formation	Upper Cretaceous, Coniacium to Santonium	Argentina, Neuquén, Río Negro	Predominantly red, fluvial clay sediments (occasionally also conglomerates, silt and sandstone layers) of an only slightly meandering river course in a moderately sloping alluvial plain
Portezuelo formation	Upper Cretaceous, Turonium to Coniacium	Argentina, Mendoza, Neuquén, Río Negro	Mainly greenish to reddish sandstones and siltstones, subordinate to conglomerates (gypsum-bearing fanglomerates ) and claystones with paleo soils; fluvial deposits of a strongly meandering river course in an alluvial plain
Portland formation	Lower Jurassic, Pliensbachian to Toarcian	United States, Connecticut , Massachusetts	Predominantly red-brown arkose sandstone, but also conglomerates, silt and clay stones; Rift trench sediments in alluvial alluvial fans and Playa lakes
Purbeck Beds	Tithonium Berriasium	England, Dorset	At the base marl and limestone with paleo soils, followed by thin limestone banks with clay intermediate layers, followed by fossil limestone, mudstone and clay slate; mixed marine-continental facies
Quebrada del Barro Formation	Upper Triassic	Argentina, San Juan
Rhaetic Beds	Upper Triassic	England, Bristol , Dorset, Glamorganshire , Gloucestershire , Nottinghamshire, Somerset	Basic conglomerate, dark to black-gray silty slate with fossil limestone layers, stromatolite limestone , gray clay stones and limestone banks, micrite ; marine-lagoon-shallow-marine facies sequence
Rhätsandstein	Upper Triassic	Europe	Clastic clay, silt and sandstones with isolated layers of carbonate and root soils with thin layers of carbonate; Delta facies, flood plain, swamp facies
Sânpetru formation	Upper Cretaceous: Maastrichtian	Romania	Continental siliciclastic deposits; fluviolacustric facies
Santa Maria formation	Middle and Upper Triassic, Ladinian to Carnian	Brazil, Rio Grande do Sul ( Paleorrota );	In the lower section red to brown, medium to coarse-grained sandstones, followed by scarlet clay and siltstones; fluvial Zopfstromfacies with subordinate Aeolian inclusions and stratified flood deposits , final lacustric facies (with suspension and turbidite sediments) Saturnalia , Staurikosaurus , Teyuwasu
Santa Marta formation	Upper Cretaceous, Santonium to Campanium	Antarctic	Tuffhaltige clays and Turbidite, then channeled, associated with turbidites debris flows , followed by sandstones and Schillkalk , finally clays with tuff layers and isolated conglomerates; submarine alluvial fans emanating from deltas
Santana formation	Lower Cretaceous, Aptian to Cenomanian	Brazil, Ceará , Pernambuco , Piauí	Sandstones and gravel, red and green sandstones interlocked with slab limestone, evaporites; Sediments of a brackish lagoon Angaturama or Irritator , Santanaraptor
Sao Khua formation	Lower Cretaceous, Berriasian to Barremian	Thailand	Red mudstones, sandstones and conglomerates; Deposits of meandering river courses in an alluvial plain
Scollard formation	Upper Cretaceous and Paleocene : Upper Maastrichtian to Danian	Canada, Alberta	Sand, silt and clay stones, bentonites, paleo soils, thick coal seams in the upper section; fluvial river channel, bank wall and overflow sediments as well as swamp facies	Scollard formation
Shishugou formation	Upper Jurassic	People's Republic of China, Xinjiang	Basal breccia, predominantly light gray clay stones with interposed medium-grain litharenites, silty clay stones, light gray sandstones, internal conglomerate layers and silicified tree trunks; continental fluviatile (alluvial fans, intertwined rivers, stratified floods) and limnic shallow water facies
Solnhofen limestone	Upper Jurassic	Germany Bavaria	Thin-banked, platy lagoon limestone formation
Snow Hill Island Formation	Upper Campanium to Maastrichtian	Antarctic	Mudstone-sandy siltstone alternating layers at the base, followed by massive, sloping sandstones, conglomerate layer with final, fine-layered mudstone-siltstone alternating layers; shallow marine facies near the delta
St. Mary River Formation	Upper Cretaceous: Lower Maastrichtium	Canada (Alberta), United States (Montana)	Thin, calcareous clay stones at the base, oyster bank , alternating layers of light gray clay stones and silty sandstones, gray-brown sandstones; fluvial deposits (Zopfstrom- and river channel facies), limnic deposits and marsh facies
Tecovas formation	Upper Triassic, Carnium	United States, Texas	Silicified paleo soil at the base, then brown, purple, yellow and white sandy slate, dark red slate, petrified tree trunks; continental red sediments (fluvial facies and swamp facies)
Tegana formation	Lower Cretaceous, Albium	Morocco
Tendaguru formation	Upper Jurassic, Kimmeridgian	Tanzania ;	Three terrestrial marl horizons alternating with marine sandstones (lagoon, estuary)
Trossingen formation	Upper Triassic, Norium - Middle Keuper	Germany, Baden-Wuerttemberg, Bavaria	Red-purple mudstones with layers of sandstone and lime tuber, playafazies
Tuchengzi formation	Lower Cretaceous, Berriasium to Valanginium	People's Republic of China, Liaoning	Base conglomerates, gray, green, and red sandstones and slate; alluvial alluvial fan facies, plains and delta facies of a pigtail stream and lacustric sediments
Tugulu group	Lower Cretaceous, Valanginium to Albium	People's Republic of China, Xinjiang	Basal breccia with medium-grain litharenites, thick-banked, fine-grain litharenites alternating with sandstones and residual gravel , red, banded siltstones and claystones alternating with obliquely layered sandstones; fluvial, aeolian and lacustrian sediments
Two Medicine Formation	Upper Cretaceous: Middle to Upper Campanium	United States, Montana	Sandstones in the lower section, predominantly gray-green clay and siltstones, subordinate fine to medium-grained, gray sandstones, volcanic ash layers; shallow marine facies followed by fluvial deposits (delta facies)	Two Medicine Formation
Udurchukan Formation - also Tsagayan Formation ; is correlated with the Yuliangze Formation , which lies immediately behind the Chinese border .	Upper Cretaceous, Campanium, Maastrichtian?	Russia (Far East)	Alternating claystone-sandstone layers, pebbles , diamictites ; fluviatile (river channel facies of a meander) and alluvial (mud flow) facies
Ulansuhai formation	Lower Cretaceous, Barremium to Aptium	People's Republic of China, Inner Mongolia	Mainly red clay, silt and sandstones, gray conglomerates, yellowish-gray claystones and light gray sandstones, partly evaporites (gypsum) and lime crusts; fluvial and limnic sediments
Unidade Amoreira-Porto Novo	Upper Jurassic, Kimmeridgian to Tithonian	Portugal , Leiria district	Alternating claystones with coarse-grained arkoses, followed by green-red, clayey siltstones, sandstones, conglomerates; continental facies (distal alluvial fan, river channel of a meander and alluvial plain)
Upper Karoo Sandstone	Lower Jurassic	Africa
Vulcanodon Beds	Lower Jurassic, Hettangium	Zimbabwe	Sandstones and basalt inserts;
Weald Clay	Lower Cretaceous	England, Kent , Sussex	Predominantly blue to gray mudstones with shell-containing limestone and iron-rich concretions ; limnic, alluvial and lagunary facies
Wealden group	Lower Cretaceous, Valanginium to Barremium	England, Hampshire , Kent, Sussex, Surrey	Alternating sand and clay stones; mostly continental (alluvial fans, pigtail stream, alluvial plain), partly also parali and lagoon sediments
Wessex formation	Lower Cretaceous, Hauterivium to Barremium	England, Dorset, Isle of Wight	Mostly clay sediments of a meandering river course
Westbury formation	Upper Triassic, Rhaetium	England, Somerset , Gloucestershire , Yorkshire	Bone- bearing basal layer, mainly dark, laminated clay stones, thin layers of limestone and sandstone; marine transgression facies
Winton formation	Lower Cretaceous, Albian to Cenomanian	Australia, Queensland	Sand, silt and clay stones; fluvial and limnic deposits
Wonthaggi formation	Lower Cretaceous, Aptium	Australia, Victoria	Fine-layered sand and clay stones with fossil-bearing conglomerate layers; fluvial sediments (meander, pigtail) of an alluvial rift plain
Wucaiwan formation	Middle Jurassic, Bathonian to Callovian	People's Republic of China, Xinjiang	Yellow-green and purple clay stones, light gray sandstones; fluvial (including delta sediments) and limnic deposits
Xinminbao group	Lower Cretaceous	People's Republic of China, Gansu , Qinghai	Conglomerates, sandstone, siltstone and calcareous claystone; fluvial and limnic deposits
Yixian formation	Barremium - Lower Aptium	People's Republic of China, Liaoning	Siliciclastic lake sediments with volcanic tuff inclusions	Sinosauropteryx from the Yixian Formation

Nest discovery sites

• Bauru Group - Sauropod Eggs
  • Uberaba formation - theropods - and titanosaurid eggs

Find sites of dinosaur tracks

• Botucatu formation - ornithopod and theropod tracks
• Caturrita formation - prosauropod traces , probably from Unaysaurus tolentinoi
• Chinle Formation - Prosauropod and Theropod tracks

Dinosaur uroliths

• Botucatu formation

See also

• List of important fossil sites

Individual evidence

1. ↑ Price, LI, 1951, To ovo de dinossaurio na formação Bauru do Cretáceo do estado de Minas Gerais: Not. prelim. Est. Div. Geol. Mineral., V. 53, pp. 1-7.
2. ↑ ^{a b} Fernandes, M., Fernandes, L. and Souto, P. (2004). Occurrence of urolites related to dinosaurs in the Lower Cretaceous of the Botucatu Formation, Paraná Basin, São Paulo State, Brazil. Revista Brasileira de Paleontologia 7 (2): 263-268.
3. ↑ Rafael Costa Da Silva, Ismar De Souza Carvalho, Cibele Schwanke, 2006. Vertebrate dinoturbation from the Caturrita Formation (Late Triassic, Paraná Basin), Rio Grande do Sul State, Brazil. Gondwana Research 11 (2007) 303-310.

Web links

• Dinosaur tracks and uroliths (PDF file; 1.9 MB)