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195 image(s)
Map of Grand Staircase-Escalante National Monument (GSENM), southern Utah (A), and generalized stratigraphic section of the upper Campanian Kaiprowits Formation (B). The approximate stratigraphic position of Akainacephalus johnsoni is located near the base of the middle unit within the Kaiparowits Formation. The map highlights the GSENM boundary (dashed line), showing the geological distribution and outcrops of the Cretaceous Kaiparowits, Wahweap, and Straight Cliffs formations. The red star indicates the Horse Mountain area, from which Akainacephalus johnsoni was recorded. Map and stratigraphic column modified from Roberts (2005). Radioisotopic dates used from Roberts, Deino & Chan (2005) and Roberts et al. (2013), respectively.
Psittacosaurus skeletal mount (Early Cretaceous, Jiufotang Formation) and unidentified Late Cretaceous dinosaur egg from Xixia, Hennan, on display in the Li Siguang Memorial Museum in Huangzhou.
Paleontological locality Shestakovo 3 (Ilek Formation, Lower Cretaceous), July 2022.
(A) Map of Queensland showing the extent of Cretaceous outcrop. (B) Map of the location of Dig Site Three (type locality of Haliskia), and numerous other sites in the area from which pterosaur fossils have been collected.
Vista de la represa W. A. C. Bennett y del rio de La Paz desde el sur este.
Gren River Basin Stratigraphic Column
Dryolestidan mammal Crusafontia amoae sp. nov., MPZ CC2−1 M4 or M5, holotype, from the site of Cuesta Corrales 2, Colladico Blanco level, El Castellar Formation, Galve, Teruel, Spain in, occlusal (A), mesial (B), labial (C), distal (D), and lingual (E) views. The schematic drawing of C. amoae, in the box in the lower left−hand corner shows the main anatomical elements of the occlusal surface of a dryolestidan.
A trackway of the trace fossil Bifurculapes laqueatus (positive hyporelief, i.e. casts on the bottom surface of the bed) from the Early Jurassic East Berlin Formation (Hartford Basin) of Holyoke, Massachusetts (not the same specimen as this one). Scale is in cm.
Geological context of the Lower Cretaceous deposits of southeast England, focussing on the Purbeck Group and Wealden Supergroup. (A) Schematic geology of the Lower Cretaceous deposits of the Weald Sub-basin (southeast England), highlighting published spinosaurid finds (Charig & Milner, 1997; Salisbury & Naish, 2011; Turmine-Juhel et al., 2019). Based on Austen & Batten (2018: Fig. 2). Note that various additional spinosaurid teeth are known from the region but remain undescribed in detail (Fowler, 2007). (B) Simplified stratigraphic column of the Weald Group in southeast England, based on Batten & Austen (2011: Fig. 3.2). Note that the Grinstead Clay Formation, which subdivides the Tunbridge Wells Sands Formation in Batten & Austen (2011) and from which the “Suchosaurus cultridens” type specimen was discovered (Salisbury & Naish, 2011), is downgraded to a member of the latter formation in other works (Hopson, Wilkinson & Woods, 2008) and has not been included in this column. Spinosaurid silhouette courtesy of Dan Folkes (CC-BY 4.0).
Diagram depicting the currently named Dinosauria from the Early Cretaceous Cedar Mountain Formation of Utah. Dinosaur taxa: Cedarosaurus weiskopfae → Grand County locality.[1] Length = 15 meters.[2] Cedrorestes crichtoni → Dave's Camp Site locality.[3] Length = 6 meters.[4] Falcarius utahensis → Crystal Geyser Quarry & Suarez Site/Quarry localities.[5] Length = 5 meters.[5] Gastonia burgei → Gaston Quarry, Dalton Wells, Doelling's Bowl localities.[6] Length = 5 meters.[2] Geminiraptor suarezarum → Suarez Site/Quarry locality.[7] Length = 1.5 meters.[4] Hippodraco scutodens → Andrew's Site locality.[8] Length = 4.5 meters.[8] Iguanacolossus fortis → Don's Ridge & Doelling's Bowl localities.[8][6] Length = 9 meters.[8] Martharaptor greenriverensis → Hayden-Corbett Site.[9] Length = Extrapolated after relatives. Mierasaurus bobyoungi → Doelling’s Bowl locality.[10] Length = ∼9 meters.[10][11] Moabosaurus utahensis → Dalton Wells locality.[12] Length = 9.75 meters.[12] Nedcolbertia justinhofmanni → Dalton Wells & Gaston Quarry localities.[13] Length = ∼3 meters.[13] Utahraptor ostrommaysi → Dalton Wells, Gaston Quarry, Stikes Quarry, Utahraptor Ridge localities.[14][6] Length = 5.5 meters.[2] Yurgovuchia doellingi → Don’s Place - Doelling’s Bowl locality.[15] Length = 2.5 meters.[15] References ↑ (1999). "New sauropod from the Lower Cretaceous of Utah, USA". Oryctos 2: 21–37. ↑ a b c (2016) The Princeton Field Guide to Dinosaurs (2nd ed.), Princeton: Princeton University Press ISBN: 9780691167664. ↑ "A possible new basal hadrosaur from the Lower Cretaceous Cedar Mountain Formation of Eastern Utah" in (2007) Horns and Beaks: Ceratopsian and Ornithopod Dinosaurs, Bloomington and Indianapolis: Indiana University Press, pp. 79–89 DOI: 10.2307/j.ctt1zxz1md.10. ISBN: 0-253-34817-X. ↑ a b (2007) Dinosaurs: The Most Complete, Up-to-Date Encyclopedia for Dinosaur Lovers of All Ages, Random House ISBN: 9780375824197. Genus List for Holtz 2012 Weight Information ↑ a b (2010). "Osteology of Falcarius utahensis (Dinosauria: Theropoda): characterizing the anatomy of basal therizinosaurs". Zoological Journal of the Linnean Society 158 (1): 196–230. DOI:10.1111/j.1096-3642.2009.00464.x. ↑ a b c (2016). "The Lower Cretaceous in East-Central Utah—The Cedar Mountain Formation and its Bounding Strata". Geology of the Intermoutain West 3: 1-130. ↑ (2010). "A New Troodontid Theropod Dinosaur from the Lower Cretaceous of Utah". PLOS ONE 5 (12): e14329. DOI:10.1371/journal.pone.0014329. PMID 21179513. PMC: 3002269. ↑ a b c d (2010). "New Basal Iguanodonts from the Cedar Mountain Formation of Utah and the Evolution of Thumb-Spiked Dinosaurs". PLOS ONE 5 (11): e14075. DOI:10.1371/journal.pone.0014075. PMID 21124919. PMC: 2989904. ↑ (2012). "Martharaptor greenriverensis, a New Theropod Dinosaur from the Lower Cretaceous of Utah". PLOS ONE 7 (8): e43911. DOI:10.1371/journal.pone.0043911. PMID 22952806. PMC: 3430620. ↑ a b (2017). "Descendants of the Jurassic turiasaurs from Iberia found refuge in the Early Cretaceous of western USA". Scientific Reports 7 (1): 14311. DOI:10.1038/s41598-017-14677-2. PMID 29085006. PMC: 5662694. ↑ (2020) Dinosaur Facts and Figures: The Sauropods and Other Sauropodomorphs, Princeton: Princeton University Press ISBN: 9780691202976. ↑ a b (2017). "Moabosaurus Utahensis, N. Gen., N. SP., A New Sauropod From The Early Cretaceous (Aptian) of North America". Contributions from the Museum of Paleontology, University of Michigan 32 (11): 189–243. ↑ a b (1998). "A small coelurosaurian theropod from the Yellow Cat Member of the Cedar Mountain Formation (Lower Cretaceous, Barremian) of eastern Utah". New Mexico Museum of Natural History and Science Bulletin 14: 239–248. ↑ (1993). "A large dromaeosaurid (Theropoda) from the Lower Cretaceous of Eastern Utah". Hunteria 2 (10): 1–16. ↑ a b (2012). "New Dromaeosaurids (Dinosauria: Theropoda) from the Lower Cretaceous of Utah, and the Evolution of the Dromaeosaurid Tail". PLOS ONE 7 (5): e36790. DOI:10.1371/journal.pone.0036790. PMID 22615813. PMC: 3352940.
Holotype of Khunnuchelys lophorhothon sp. nov. from Baybishe, northeastern Aral Sea region, Kazakhstan, Bostobe Formation, Santonian–early Campanian, Late Cretaceous, ZIN PH 5/55, a partial skull; in dorsal (A), ventral (B), lateral (C), and anterior (D) views. Photographs (A1–D1), explanatory drawings (A2–D2).
World map showing Late Cretaceous metatherian locales. Europe 1. Font-de-Benon quarry, Archingeay-Les Nouillers (Cenomanian, Late Cretaceous), Charente-Maritime, southwestern France (Vullo et al. 2009) 2. Valkenburg Member, Maastricht Formation (late Maastrichtian, Late Cretaceous), southern Limburg, The Netherlands (Martin et al. 2005) Asia 3. Yixian Formation, China (Barremian, Early Cretaceous) 4. Bissekty Formation, Kyzylkum Desert, Uzbekistan (Turonian, Late Cretaceous) 5. Darbasa Formation, southern Kazakhstan (Campanian, Late Cretaceous) 6. Grey Mesa locality (Averianov 1997) 7. Barun Goyot Formation, Umuni Gobi, Mongolia (Campanian, Late Cretaceous) 8. Nemegt Formation, Omnogov, Mongolia (Maastrichtian, Late Cretaceous) 9. Djadokhta Formation, Mongolia (Campanian, Late Cretaceous) North America Alaska 9. Prince Creek Formation, Alaska (early Maastrichtian, Late Cretaceous) Alberta and Saskatchewan, Canada 10. Milk River Formation, southern Alberta, Canada (late Santonian, Late Cretaceous) 11. Oldman Formation, southern Alberta, Canada (Campanian, Late Cretaceous) 12. Dinosaur Park Formation, southern Alberta, Canada (late Campanian, Late Cretaceous) 13. Horseshoe Canyon Formation, southern Alberta, Canada (early Maastrichtian, Late Cretaceous) 14. St. Mary River Formation, Alberta and northwestern Montana (early Maastrichtian, Late Cretaceous) 15. Scollard Formation, Alberta (late Maastrichtian, Late Cretaceous) 16. Frenchman Formation, Saskatchewan (late Maastrichtian, Late Cretaceous) Montana and North Dakota 17. Judith River Formation (late Campanian, Late Cretaceous) 18. Two Medicine Formation (late Campanian, Late Cretaceous) 19. Hell Creek Formation, Montana and North Dakota (late Maastrichtian, Late Cretaceous) South Dakota 20. Fox Hills Formation, South Dakota (late Maastrichtian, Late Cretaceous) 21. Hell Creek Formation, South Dakota (late Maastrichtian, Late Cretaceous) Wyoming 22. “Mesa Verde Formation” (late Campanian, Late Cretaceous) 23. Lance Formation, Wyoming (late Maastrichtian, Late Cretaceous) 24. Ferris Formation, Wyoming (late Maastrichtian, Late Cretaceous) Utah 25. Cedar Mountain Formation (Albian-Cenomanian) 26. Dakota Formation fauna (late Cenomanian, Late Cretaceous) 27. Smoky Hollow Member, Straight Cliffs Formation (Turonian, Late Cretaceous) 28. John Henry Member, Straight Cliffs Formation (Coniacian-Santonian, Late Cretaceous) 29. Wahweap Formation (early-middle Campanian, Late Cretaceous) 30. Kaiparowits Formation (late Campanian, Late Cretaceous) 31. Iron Springs Formation fauna, southern Utah (Turonian – Santonian, Late Cretaceous) 32. North Horn Formation, Utah (late Maastrichtian, Late Cretaceous) Colorado 33. Williams Fork Formation, Colorado (late Campanian-early Maastrichtian) 34. Laramie Formation, northeastern Colorado (late Maastrichtian, Late Cretaceous) Baja California Del Norte, Mexico 35. El Gallo Formation (late Campanian, Late Cretaceous) (Clemens 1980; Lillegraven 1972; Lillegraven 1976) New Mexico 36. Fruitland and lower Kirtland Formation, San Juan Basin (late Campanian, Late Cretaceous) 37. Naashoibito Member, Kirtland Formation, New Mexico (late Maastrichtian, Late Cretaceous) Oklahoma 38. Antlers Formation, Texas and Oklahoma (Aptian-Albian, Early Cretaceous) Texas 39. Aguja Formation, West Texas (late Campanian, Late Cretaceous) New Jersey 40. Marshalltown Formation, New Jersey (Campanian, Late Cretaceous) Szalay 1994)
World map showing Late Cretaceous metatherian locales. Europe 1. Font-de-Benon quarry, Archingeay-Les Nouillers (Cenomanian, Late Cretaceous), Charente-Maritime, southwestern France (Vullo et al. 2009) 2. Valkenburg Member, Maastricht Formation (late Maastrichtian, Late Cretaceous), southern Limburg, The Netherlands (Martin et al. 2005) Asia 3. Yixian Formation, China (Barremian, Early Cretaceous) 4. Bissekty Formation, Kyzylkum Desert, Uzbekistan (Turonian, Late Cretaceous) 5. Darbasa Formation, southern Kazakhstan (Campanian, Late Cretaceous) 6. Grey Mesa locality (Averianov 1997) 7. Barun Goyot Formation, Umuni Gobi, Mongolia (Campanian, Late Cretaceous) 8. Nemegt Formation, Omnogov, Mongolia (Maastrichtian, Late Cretaceous) 9. Djadokhta Formation, Mongolia (Campanian, Late Cretaceous) North America Alaska 9. Prince Creek Formation, Alaska (early Maastrichtian, Late Cretaceous) Alberta and Saskatchewan, Canada 10. Milk River Formation, southern Alberta, Canada (late Santonian, Late Cretaceous) 11. Oldman Formation, southern Alberta, Canada (Campanian, Late Cretaceous) 12. Dinosaur Park Formation, southern Alberta, Canada (late Campanian, Late Cretaceous) 13. Horseshoe Canyon Formation, southern Alberta, Canada (early Maastrichtian, Late Cretaceous) 14. St. Mary River Formation, Alberta and northwestern Montana (early Maastrichtian, Late Cretaceous) 15. Scollard Formation, Alberta (late Maastrichtian, Late Cretaceous) 16. Frenchman Formation, Saskatchewan (late Maastrichtian, Late Cretaceous) Montana and North Dakota 17. Judith River Formation (late Campanian, Late Cretaceous) 18. Two Medicine Formation (late Campanian, Late Cretaceous) 19. Hell Creek Formation, Montana and North Dakota (late Maastrichtian, Late Cretaceous) South Dakota 20. Fox Hills Formation, South Dakota (late Maastrichtian, Late Cretaceous) 21. Hell Creek Formation, South Dakota (late Maastrichtian, Late Cretaceous) Wyoming 22. “Mesa Verde Formation” (late Campanian, Late Cretaceous) 23. Lance Formation, Wyoming (late Maastrichtian, Late Cretaceous) 24. Ferris Formation, Wyoming (late Maastrichtian, Late Cretaceous) Utah 25. Cedar Mountain Formation (Albian-Cenomanian) 26. Dakota Formation fauna (late Cenomanian, Late Cretaceous) 27. Smoky Hollow Member, Straight Cliffs Formation (Turonian, Late Cretaceous) 28. John Henry Member, Straight Cliffs Formation (Coniacian-Santonian, Late Cretaceous) 29. Wahweap Formation (early-middle Campanian, Late Cretaceous) 30. Kaiparowits Formation (late Campanian, Late Cretaceous) 31. Iron Springs Formation fauna, southern Utah (Turonian – Santonian, Late Cretaceous) 32. North Horn Formation, Utah (late Maastrichtian, Late Cretaceous) Colorado 33. Williams Fork Formation, Colorado (late Campanian-early Maastrichtian) 34. Laramie Formation, northeastern Colorado (late Maastrichtian, Late Cretaceous) Baja California Del Norte, Mexico 35. El Gallo Formation (late Campanian, Late Cretaceous) (Clemens 1980; Lillegraven 1972; Lillegraven 1976) New Mexico 36. Fruitland and lower Kirtland Formation, San Juan Basin (late Campanian, Late Cretaceous) 37. Naashoibito Member, Kirtland Formation, New Mexico (late Maastrichtian, Late Cretaceous) Oklahoma 38. Antlers Formation, Texas and Oklahoma (Aptian-Albian, Early Cretaceous) Texas 39. Aguja Formation, West Texas (late Campanian, Late Cretaceous) New Jersey 40. Marshalltown Formation, New Jersey (Campanian, Late Cretaceous) Szalay 1994)
Sedimentos y fangos del suelo de un delta petrificado, con múltiples marcas de origen animal, posiblemente de bivalvos Bordón, Teruel.
Stratigraphic column of the Lusitanian Basin
San Rafael Reef, Utah, looking north from near I-70. The prominent white ridge is Jurassic Navajo Sandstone that has been warped upwards.
View of the badlands of the type locality for the North Horn Formation on North Horn Mountain.
1865.. WHITAKEE BXrCKlNGHAM CHALK, 399 I cannot give the thickness with accuraC3\ I will now give a short account of each, beginning with the lowest. (g). Chalk-marl. — A rather brownish-white, slightly sandy, clayey chalk, fissile, with stony layers here and there, and often with fossils (notably fish-scales). This is per- haps 80 feet thick, and mostly causes a rise of the ground above the sloping plain of the Upper Green- sand. (/). Totfernlioe Stone.- At the top of the Chalk- marl in this district there are generally two layers of rathersandy limestone, separated by a little marl, and which are more dis- tinct further north-east- ward (in Bedfordshire), where they are each about 3 feet thick. One bed is always here present, but I did not always see the two. This stone mostly yields fossils, amongst which Ammonites vai'ians and an Inoceramus are abundant, and small, hard,dark-brown nodules, most likely coprolitic : it is harder and darker than common chalk, and con- tains many small dark grains ; and was once largely quarried, for build- ing, at Totternhoe, where there are plentiful traces of the workings. Most of the old churches of the neighbourhood were built in great part of this pe- rishable stone, but I be- lieve that its use has been long discontinued. Details of the occur- rence of this bed will be given in the ' Gcolo- 2 E 2
Sundon South Chalk Pit. This cement plant quarry ceased operation in December 1976. The photograph was taken earlier that year. The pit is about the same now, although full of trash and less easily interpreted due to weathering. The blocky material in the middle of the upper quarry face is Totternhoe Stone, the lowest member of the "Grey Chalk". Below it is the "Chalk Marl". The calcium carbonate content of the rock varied steadily from 60% at the bottom to 85% at the top. A cement rawmix of 78.5% carbonate was made by combining the layers. The chalk was dug with three excavators. A dragline on the hill top scraped the soft chalk from above the Totternhoe Stone and dropped it onto the lower bench, forming the scree-like piles visible here. A face shovel on the lower bench undermined and prised out the hard Totternhoe Stone, and loaded it and the soft chalk into rail trucks (see 645414). A second dragline, also on the lower bench, scraped marl up from below, and added it to the rail trucks. The chemistry of the mixture was controlled by specifying the number of buckets of marl to be added to each train-load.
ELÍAS CABABIE DANIEL. FOTO DEL EUROTÚNEL EN EL CANAL DE LA MANCHA
This geologic cross section depicts the Cooper Basin on the far right, which is boxed in red.
Palaeogeographic distribution of late Early and early Late Cretaceous pterosaur assemblages. Taxonomic composition of assemblages shown on Fig. 1. Palaeogeography based on Smith et al. 1994. Abbreviations: 1. Cambridge Greensand, England: 2. Lower Chalk, England: 3. Züümbayan Svita, Khuren-Dukh, Mongolia: 4. Lysaya Gora, Saratov, Russia: 5. Kem Kem red beds, Morocco: 6. Paw Paw Formation, Texas, USA: 7. Lagarcito Formation, San Luis, Argentina: 8. Santana and Crato Formations, Ceara, Brazil: 9. Toolebuc Formation, Queensland, Australia.
A pair of Wendiceratops running through the Oldman formation.
Brachylophosaurus canadensis TMP 1990.104.0001, Oldman Formation, Milk River, Alberta. Original, not cast. At the Royal Tyrrell Museum of Palaeontology.
Brachylophosaurus canadensis TMP 1990.104.0001, Oldman Formation, Milk River, Alberta. Original, not cast. At the Royal Tyrrell Museum of Palaeontology.
Campanian fauna from the Oldman Formation: Wendiceratops, Corythosaurus, Scolosaurus, Chasmosaurus and "Troodon"
Geographic and stratigraphic relationships of the holotype EMK 0012 and the Loki Quarry in northern Montana. (A) Regional relationships between the cross-border paleontological sites in the Oldman and Judith River formations along the Milk River and in Kennedy Coulee in Alberta and Montana. (B) Generalized stratigraphic section in the Kennedy Coulee area modified after Goodwin & Deino (1989) and Rogers, Eberth & Ramezani (2023) with the relationships between the Foremost and Oldman formations in Canada and the Judith River Formation in Montana. Relative placements of important taxa in this area are indicated. Position of 40Ar/39Ar dates originally obtained by Goodwin & Deino (1989) are shown in relation to the new U–Pb CA-ID-TIMS date for KC061517-1 by Ramezani et al. (2022). Bentonite ash beds are only 5 to 7 cm thick so they are exaggerated for clarity. Scale bars delineated in map view are indicated kilometers and in meters stratigraphically.
Title: Dinosaur hunting in western Canada Identifier: dinosaurhuntingi00russ (find matches) Year: 1966 (1960s) Authors: Russell, Loris Shano, 1904-; Royal Ontario Museum Subjects: Dinosaurs; Paleontology Publisher: (Toronto : Printed at the University of Toronto Press) Contributing Library: ROM - University of Toronto Digitizing Sponsor: University of Toronto View Book Page: Book Viewer About This Book: Catalog Entry View All Images: All Images From Book Click here to view book online to see this illustration in context in a browseable online version of this book. Text Appearing Before Image: This season of 1921 George Sternberg became the first dinosaur col- lector on the Red Deer River to have his work recorded in motion pictures. This happened by a curious error. The Dominion Motion Picture Bureau, predecessor of the National Film Board of Canada, had decided to make a short motion picture based on the work being done by the Geological Survey of Canada in the collecting and displaying of Canadian dinosaurs. The camera party sent to Alberta was naturally supposed to visit the Geological Survey party under Charles M. Sternberg, but local directions sent them to the camp of George Sternberg. So this excellent little film records field work by the University of Alberta party and preparation being done at the National Museum of Canada in Ottawa. That winter George Sternberg continued the preparation of the speci- mens obtained during the two preceding field seasons, but in the spring he resigned to accept a position with the Field Museum of Natural History of Chicago, under Elmer S. Riggs. The summer of 1922 was the last time that the eldest of the Sternberg sons worked on the Red Deer River, his collec- tion going to Chicago. However, he returned to Edmonton for several months in 1935, to complete the preparation of the collection that he brought together in 1920 and 1921. When George Sternberg left the Geological Survey of Canada in 1918, the only one of the four Sternbergs remaining at Ottawa was Charles Mortram Sternberg, the second son of C. H. Sternberg. Actually, Charles had his first independent expedition to the Red Deer badlands in 1917, C. M. Sternberg ami G. E. Lindblad working on the skull of a horned dinosaur (Centrasaurus sp.), Oldman formation, Red Deer River, 1917. N.M.C., No. 39994. Text Appearing After Image: 22 Note About Images Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.
Brachylophosaurus, Daspletosaurus and Scolosaurus from the Oldman Formation.
Brachylophosaurus canadensis skull (original). From the Oldman Formation, Milk River, Alberta. On display at the Royal Tyrrell Museum, Alberta, Canada.
Sandstones of the Milk River Formation flank the Milk river at Writing-on-Stone Provincial Park, Alberta.
Hoodoos
Bryce Canyon geologic map, showing a variety of rock formations in the national park including the Claron Formation, which forms the park’s famous red hoodoos.
Locality map: Grand Staircase-Escalante National Monument, southern Utah. Map showing the Nipple Butte area (indicated by yellow star) of Grand Staircase-Escalante National Monument (GSENM). GSENM is bounded by the red rectangle and silhouetted in dark gray on the inset of Utah and surrounding states (modified from [1]). The original map has been modified to show the Nipple Butte area instead of the Machairoceratops fossil locality as in the original source. New location based on map in A New Macrovertebrate Assemblage from the Late Cretaceous (Campanian) of Southern Utah, page 601.
Locality map: Grand Staircase-Escalante National Monument, southern Utah. Map showing locality (indicated by star) of Nasutoceratops titusi holotype UMNH VP 16800, recovered from the Kaiparowits Formation of Grand Staircase-Escalante National Monument (GSENM). GSENM is bounded by the red rectangle and silhouetted in dark gray on the inset of Utah and surrounding states (modified from [1]). The original map has been modified to show Nasutoceratops instead of Machairoceratops as in the original source. New location based on map in Ceratopsid Dinosaurs from the Grand Staircase of Southern Utah, page 489.
Locality map: Grand Staircase-Escalante National Monument, southern Utah. Map showing locality (indicated by star) of Kosmoceratops richardsoni holotype UMNH VP 17000 and assigned subadult UMNH VP 16878, recovered from the Kaiparowits Formation of Grand Staircase-Escalante National Monument (GSENM). GSENM is bounded by the red rectangle and silhouetted in dark gray on the inset of Utah and surrounding states (modified from [1]). The original map has been modified to show Kosmoceratops instead of Machairoceratops as in the original source. New location based on map in Ceratopsid Dinosaurs from the Grand Staircase of Southern Utah, page 489.
Kaiparowits Formation (Campanian; Upper Cretaceous) at The Blues, near Powell Point (peak to the left) composed of the Claron Formation.
Natural-colour satellite image of part of the Kaiparowits Basin (a central portion of Grand Staircase-Escalante). The branch-like shapes are networks of canyons carved by rivers that dried up millions of years ago. The ridge running roughly north-south through the scene is the Cockscomb, which is surrounded by distinct rock formations deposited at different times in the geologic past. West of the Cockscomb is the Navajo Sandstone, dating from the Triassic. East of the Cockscomb are two formations from the Cretaceous: the light-toned Wahweap and darker Kaiparowits.
View of Shestakovsky Yar (paleontological site Shestakovo-1) from the Kiya River.
Остеодерма анкилозавра (Ankylosauria indet.) в музее при местонахождении Шестаково-3 (илекская свита).
Палеонтологическое местонахождение Шестаково-3 (илекская свита, нижний мел), июль 2021 года.