Lucas's Site, Garden Park: Tithonian, Colorado
collected by O. Lucas 1877

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia
Nanosaurus agilis n. gen., n. sp. Marsh 1877
Carpenter 1998 1 specimen
YPM 1913
Reptilia - Goniopholididae
Amphicotylus lucasii n. sp. Cope 1878
2 individuals
see common names

Geography
Country:United States State/province:Colorado County:Fremont
Coordinates: 38.5° North, 105.2° West (view map)
Paleocoordinates:34.4° 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:149.20000 - 145.00000 m.y. ago
Stratigraphy
Formation:Morrison Member:Brushy Basin
Stratigraphic resolution:bed
Stratigraphy comments: from "one of the thin sandstone lenses near the top of Cope’s Nipple (a.k.a. "Saurian Hill" of Cope), and thus very high in the Morrison Formation" (Carpenter and Galton, 2018). About 10' above C. supremus type.
Lithology and environment
Primary lithology:lenticular sandstone
Includes fossils?Y
Environment:"channel"
Taphonomy
Modes of preservation:body
Degree of concentration:dispersed
Size of fossils:macrofossils,mesofossils
Preservation of anatomical detail:medium
Collection methods and comments
Collection methods:selective quarrying,mechanical,field collection
Reason for describing collection:taxonomic analysis
Museum repositories:YPM
Collectors:O. Lucas Collection dates:1877
Metadata
Database number:48168
Authorizer:M. Carrano Enterer:M. Carrano
Modifier:G. Varnham Research group:vertebrate
Created:2005-03-15 11:04:20 Last modified:2022-02-07 06:09:27
Access level:the public Released:2005-03-15 11:04:20
Creative Commons license:CC BY
Reference information

Primary reference:
24205.ETE E. D. Cope. 1888. Goniopholis in the Jurassic of Colorado. The American Naturalist 22(264):1106-1107 [M. Carrano/M. Carrano]

Secondary references:

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]
75856 K. Carpenter and P. M. Galton. 2018. A photo documentation of bipedal ornithischian dinosaurs from the Upper Jurassic Morrison Formation, USA. Geology of the Intermountain West 5:167-207 [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]
62966 F. v. Huene. 1914. I: Animalia. Pars 4. Saurischia et Ornithischia triadica (“Dinosauria” triadica). 1-20 [M. Carrano/M. Carrano]
78169 O. C. Marsh. 1897. Vertebrate fossils of the Denver Basin. United States Geological Survey Monograph 27:473-527 [M. Carrano/M. Carrano/M. Carrano]
61518 D. B. Weishampel and J. B. Weishampel. 1983. Annotated localities of ornithopod dinosaurs: implications to Mesozoic paleobiogeography. The Mosasaur 1:43-87 [M. Carrano/M. Carrano]