Small's Quarry, Garden Park: Tithonian, Colorado
collected by B. Small 1992

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Dipnoi - Ceratodontidae
Ceratodus guentheri Marsh 1878
Carpenter 1998 72 elements
Amphibia - Temnospondyli
? Anura indet. (Fischer von Waldheim 1813)
Small and Carpenter 1997 1 individual
? Caudata indet. Scopoli 1777
Small and Carpenter 1997 2 specimens
Mammalia
Mammalia indet. Linnaeus 1758
Foster 2003
Mammalia - Dryolestidae
Dryolestidae indet. Marsh 1879
Carpenter 1998 21 specimens
"new genus and species"
Docodonta - Docodontidae
Docodon sp. Marsh 1881
Carpenter 1998 3 specimens
Docodon apoxys n. sp. Rougier et al. 2014
Rougier et al. 2014 3 specimens
DMNH 42198, a nearly complete left dentary with alveoli for i1–i4, p1, and crowns of the canine, p2–p4, and m1–m7; DMNH 42196, a partial left dentary missing most of the postdentary region, preserving crowns of p2–p4 and m1–m7; DMNH 42197, a partial left dentary missing most of the postdentary region, preserving alveoli for i1–i4 and p3, roots of the canine, and crowns of p1, p2, and p4, and m1–m7
Reptilia - Pleurosternidae
? Dinochelys sp. Gaffney 1979
Carpenter 1998 2 specimens
    = Dinochelys sp. Gaffney 1979
Foster 2003
Glyptops plicatulus (Cope 1877)
Carpenter 1998 5 specimens
nomen dubium belonging to Glyptops
Reptilia - Testudines
Chelonia indet. (Latreille 1800)
Foster 2003
synonym of Testudines
Reptilia - Lacertilia
Sauria indet. Gauthier 1984
Carpenter 1998 14 specimens
    = Lacertilia indet. Owen 1842
Foster 2003
Reptilia - Goniopholididae
Goniopholis sp. Owen 1842
Carpenter 1998 2 individuals
Reptilia
? Mymoorapelta sp. Kirkland and Carpenter 1994
Carpenter 1998
    = Ankylosauria indet. Osborn 1923
Foster 2003
Reptilia - Stegosauridae
Stegosaurus stenops Marsh 1887
Carpenter 1997 1 specimen
DMNH 2818
Reptilia
Ornithopoda indet. Marsh 1881
Carpenter 1998 1 individual
Reptilia - Dryosauridae
Dryosaurus sp. Marsh 1894
Carpenter 1998 4 specimens
Reptilia - Theropoda
Theropoda indet. Marsh 1881
Carpenter 1998 1 individual
Reptilia
Elaphrosaurus sp. Janensch 1920
Carpenter 1998 1 individual
DMNH 36284
    = Ceratosauria indet. Marsh 1884
Carrano and Sampson 2008
Reptilia - Camarasauridae
Camarasaurus sp. Cope 1877
Foster 2003 1 individual
    = Camarasaurus grandis Marsh 1877
McWhinney et al. 2001
DMNH 2908; humerus assoc. w/dorsal, caudals
Reptilia
Apatosaurus excelsus (Marsh 1879)
Carpenter 1998 1 individual
original and current combination Brontosaurus excelsus
Kepodactylus insperatus n. gen., n. sp. Harris and Carpenter 1996
1 individual
DMNH 21684 (holotype), cervical, left humerus, phalange and metatarsal. Incorrectly listed as "Kepodactylus grandis" in 12893
Opisthias sp. Gilmore 1909
Small and Carpenter 1997
Actinopterygii
Osteichthyes indet. Huxley 1880
Carpenter 1998 29 elements
    = Actinopterygii indet. Cope 1887
Foster 2003
see common names

Geography
Country:United States State/province:Colorado County:Fremont
Coordinates: 38.5° North, 105.2° West (view map)
Paleocoordinates:34.3° North, 52.7° West
Basis of coordinate:estimated from map
Geographic resolution:small collection
Time
Period:Jurassic Epoch:Late/Upper Jurassic
Stage:Tithonian 10 m.y. bin:Jurassic 6
Key time interval:Tithonian
Age range of interval:152.10000 - 145.00000 m.y. ago
Stratigraphy
Formation:Morrison Member:Brushy Basin
Stratigraphic resolution:bed
Stratigraphy comments: upper middle part of formation, also described as "low in the Brushy Basin Member"
Lithology and environment
Primary lithology:lenticular,gray carbonaceous mudstone
Includes fossils?Y
Lithology description: "a lenticular gray lacustrine mudstone...The mudstone is carbon rich, some of which is in the form of fusain or charcoal."
Environment:pond
Geology comments: "a small pond"; "an overbank pond that experienced occasional input of channel splays"
Taphonomy
Modes of preservation:body
Degree of concentration:concentrated
Size of fossils:macrofossils,mesofossils
Preservation of anatomical detail:excellent
Abundance in sediment:abundant
Articulated whole bodies:some
Associated major elements:some
Disassociated major elements:some
Disassociated minor elements:some
Temporal resolution:time-averaged
Spatial resolution:parautochthonous
Collection methods and comments
Collection methods:selective quarrying,mechanical,field collection
Reason for describing collection:taxonomic analysis
Museum repositories:DMNH
Collectors:B. Small Collection dates:1992
Metadata
Also known as:DMNH Quarry 6, CO-11
Database number:48161
Authorizer:M. Carrano, P. Mannion Enterer:M. Carrano, J. Tennant
Modifier:M. Carrano Research group:vertebrate
Created:2005-03-15 10:11:01 Last modified:2022-03-11 15:15:27
Access level:the public Released:2005-03-15 10:11:01
Creative Commons license:CC BY
Reference information

Primary reference:

14309.ETE J. D. Harris and K. Carpenter. 1996. A large pterodactyloid from the Morrison Formation (Late Jurassic) of Garden Park, Colorado. Neues Jahrbuch für Geologie und Paläontologie Monatshefte 1996(8):473-484 [M. Carrano/M. Carrano/M. Carrano]

Secondary references:

55055 K. Carpenter. 1997. Cañon City. In P. J. Currie & K. Padian (ed.), Encyclopedia of Dinosaurs 91-92 [M. Carrano/M. Carrano]
12892ETE K. Carpenter. 1998. Armor of Stegosaurus stenops, and the taphonomic history of a new specimen from Garden Park, Colorado. Modern Geology 23:127-144 [M. Carrano/M. Carrano/M. Carrano]
12893ETE K. Carpenter. 1998. Vertebrate biostratigraphy of the Morrison Formation near Cañon City, Colorado. Modern Geology 23:407-426 [M. Carrano/M. Carrano/M. Carrano]
77784 K. Carpenter. 1999. The Cañon City dinosaur sites of Marsh and Cope. Scoiety of Vertebrate Paleontology Annual Meeting 1-14 [M. Carrano/M. Carrano]
30810ETE M. T. Carrano and S. D. Sampson. 2008. The phylogeny of Ceratosauria (Dinosauria: Theropoda). Journal of Systematic Palaeontology 6(2):183-236 [M. Carrano/M. Carrano]
19094ETE D. J. Chure. 2001. The second record of the African theropod Elaphrosaurus (Dinosauria, Ceratosauria) from the Western Hemisphere. Neues Jahrbuch für Geologie und Paläontologie Monatshefte 2001(9):565-576 [M. Carrano/M. Carrano]
75727 K. Decker. 2012. Evaluation of Proposed Expansion of the Garden Park Fossil Area National Natural Landmark, Fremont County, Colorado for its Merit in Meeting National Significance Criteria as a National Natural Landmark in Representing Geologic History of the Jurassic Period during the Age of Reptiles in the Southern Rocky Mountain Province, 27 pp. [M. Carrano/M. Carrano]
15179ETE J. R. Foster. 2003. Paleoecological analysis of the vertebrate fauna of the Morrison Formation (Upper Jurassic), Rocky Mountain region, U.S.A. New Mexico Museum of Natural History and Science Bulletin 23:1-95 [M. Carrano/M. Carrano]
69484 J. R. Foster and J. E. Peterson. 2016. First report of Apatosaurus (Diplodocidae: Apatosaurinae) from the Cleveland-Lloyd Quarry in the Upper Jurassic Morrison Formation of Utah: abundance, distribution, paleoecology, and taphonomy of an endemic North American sauropod clade. Palaeoworld 25:431-443 [M. Carrano/M. Carrano]
46097 J. R. Foster, K. C. Trujillo, S. K. Madsen and J. E. Martin. 2006. The Late Jurassic mammal Docodon, from the Morrison Formation of The Black Hills, Wyoming: implications for abundance and biogeography of the genus. In J. R. Foster & S. G. Lucas (ed.), Paleontology and Geology of the Upper Jurassic Morrison Formation. New Mexico Museum of Natural History and Science Bulletin 36:165-169 [P. Mannion/J. Tennant/M. Carrano]
54842 L. A. McWhinney, K. Carpenter, and B. Rothschild. 2001. Dinosaurian humeral periostitis: a case of a juxtacortical lesion in the fossil record. In D. H. Tanke & K. Carpenter (ed.), Mesozoic Vertebrate Life: New Research Inspired by the Paleontology of Philip J. Currie 364-377 [M. Carrano/M. Carrano]
17532ETE L. A. McWhinney, B. M. Rothschlid, and K. Carpenter. 2001. Posttraumatic chronic osteomyelitis in Stegosaurus dermal spikes. In K. Carpenter (ed.), The Armored Dinosaurs. Indiana University Press, Bloomington 141-156 [M. Carrano/M. Carrano]
15180ETE P. E. Monaco. 1998. A short history of dinosaur collecting in the Garden Park Fossil Area, Cañon City, Colorado. Modern Geology 23(1-4):465-480 [M. Carrano/M. Carrano]
80668 O. W. M. Rauhut and M. T. Carrano. 2016. The theropod dinosaur Elaphrosaurus bambergi Janensch, 1920, from the Late Jurassic of Tendaguru, Tanzania. Zoological Journal of the Linnean Society 178(3):546-610 [M. Carrano/M. Carrano]
50993 G. W. Rougier, A. S. Sheth, K. Carpenter, L. Appella-Guiscafre, and B. M. Davis. 2014. A new species of Docodon (Mammaliaformes: Docodonta) from the Upper Jurassic Morrison Formation and a reassessment of selected craniodental characters in basal mammaliaforms. Journal of Mammalian Evolution [P. Mannion/J. Tennant]
14856ETE B. J. Small and K. Carpenter. 1997. Upper Jurassic microvertebrates from the "Small Quarry", Garden Park, Colorado. Journal of Vertebrate Paleontology 17(3, suppl.):76A-77A [M. Carrano/M. Carrano]
13281ETE C. E. Turner and F. Peterson. 1999. Biostratigraphy of dinosaurs in the Upper Jurassic Morrison Formation of the Western Interior, U.S.A. In D. D. Gillette (ed.), Vertebrate Paleontology in Utah, Utah Geological Survey Miscellaneous Publication 99-1:77-114 [M. Carrano/M. Carrano/M. Carrano]