UCMP V84235, Red Knob: Sinemurian - Pliensbachian, Arizona
collected 1984

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia - Testudines
Cryptodira indet. Cope 1868
2 individuals
Reptilia
? Ornithischia indet. Seeley 1888
1 individual
UCMP 130581
    = Scutellosaurus lawleri Colbert 1981
Breeden et al. 2021
see common names

Geography
Country:United States State/province:Arizona County:Coconino
Coordinates: 35.7° North, 111.1° West (view map)
Paleocoordinates:19.4° North, 50.3° West
Basis of coordinate:unpublished field data
Geographic resolution:small collection
Time
Period:Jurassic Epoch:Early/Lower Jurassic
Key time interval:Sinemurian - Pliensbachian
Age range of interval:199.50000 - 184.20000 m.y. ago
Stratigraphy
Geological group:Glen Canyon Formation:Kayenta Member:Silty Facies
Stratigraphic resolution:bed
Lithology and environment
Primary lithology:"cross stratification",medium sandstone
Includes fossils?Y
Lithology description: "typical med. sandstone, trough cross-stratified; purple, placer deposits & petrified wood preserved"
Environment:"channel"
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Associated major elements:some
Disassociated major elements:some
Fragmentation:occasional
Collection methods and comments
Collection methods:field collection
Reason for describing collection:general faunal/floral analysis
Museum repositories:UCMP
Collection dates:1984
Metadata
Also known as:Silty Facies
Database number:51898
Authorizer:M. Carrano Enterer:M. Carrano
Modifier:R. Butler Research group:vertebrate
Created:2005-06-30 08:18:43 Last modified:2012-12-13 02:25:11
Access level:the public Released:2005-06-30 08:18:43
Creative Commons license:CC BY
Reference information

Primary reference:

12373. J. M. Clark and D. E. Fastovsky. 1986. Vertebrate biostratigraphy of the Glen Canyon Group in northern Arizona. The Beginning of the Age of the Dinosaurs: Faunal change across the Triassic-Jurassic boundary, N. C. Fraser and H.-D. Sues (eds.), Cambridge University Press 285-301 [R. Whatley/R. Whatley/R. Whatley]

Secondary references:

77736 B. T. Breeden, T. J. Raven, R. J. Butler, T. B. Rowe, and S. C. R. Maidment. 2021. The anatomy and palaeobiology of the early armoured dinosaur Scutellosaurus lawleri (Ornithischia: Thyreophora) from the Kayenta Formation (Lower Jurassic) of Arizona. Royal Society Open Science 8(7):201676:1-43 [M. Carrano/M. Carrano/M. Carrano]