Jimbo Quarry (2B) (PROXY): Kimmeridgian - Tithonian, Wyoming
collected by W. Wahl 1995-2002

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Charophyta indet. Migula 1890
Lovelace 2006
Reptilia - Troodontidae
Troodontidae indet. Gilmore 1924
Hartman et al. 2005 1 individual
WDC-DML-001
    = Hesperornithoides miessleri n. gen., n. sp. Hartman et al. 2019
Hartman et al. 2019
see common names

Geography
Country:United States State/province:Wyoming County:Converse
Coordinates: 42.6° North, 105.4° West (view map)
Paleocoordinates:38.0° North, 51.2° West
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period:Jurassic Epoch:Late/Upper Jurassic
Key time interval:Kimmeridgian - Tithonian
Age range of interval:157.30000 - 145.00000 m.y. ago
Stratigraphy
Formation:Morrison
Local section:Jimbo Quarry Local bed:33 m
Local order:bottom to top
Stratigraphic resolution:bed
Stratigraphy comments: located in local "Zone 2", in middle of formation, at bottom of "Unit B" in this zone
Lithology and environment
Primary lithology:gray,green sandy mudstone
Includes fossils?Y
Lithology description: "Unit A rapidly transitions from a sandy-mudstone to a 1.5 m thick wetland/lacustrine mudstone capped by a blocky gray calcareous mudstone horizon; that is predominantly a dense micritic limestone...The sandy-mudstone is dominated by illite and abundant silica." Layer is greenish gray (5GY 6/1).
Environment:lacustrine indet.
Geology comments: alkaline lacustrine setting
Taphonomy
Modes of preservation:body
Degree of concentration:dispersed
Size of fossils:macrofossils,microfossils
Spatial orientation:random
Preservation of anatomical detail:good
Articulated whole bodies:all
Spatial resolution:parautochthonous
Collection methods and comments
Collection methods:mechanical,field collection
Reason for describing collection:taxonomic analysis
Collectors:W. Wahl Collection dates:1995-2002
Metadata
Also known as:Douglas Quarry
Database number:74665
Authorizer:M. Carrano Enterer:M. Carrano
Modifier:M. Carrano Research group:vertebrate
Created:2007-08-23 10:48:54 Last modified:2023-08-23 14:48:48
Access level:the public Released:2007-08-23 10:48:54
Creative Commons license:CC BY
Reference information

Primary reference:

58635. D. Lovelace. 2004. Taphonomy and paleoenvironment of a Late Jurassic dinosaur locality in the Morrison Formation of east-central Wyoming. Journal of Vertebrate Paleontology 24(3, suppl.):85A [M. Carrano/M. Carrano]

Secondary references:

69710 S. Hartman, M. Mortimer, W. R. Wahl, D. R. Lomax, J. Lippincott and D. M. Lovelace. 2019. A new paravian dinosaur from the Late Jurassic of North America supports a late acquisition of avian flight. PeerJ 7:e7247 [G. Lloyd/G. Lloyd]
25143ETE S. A. Hartman, D. M. Lovelace, and W. R. Wahl. 2005. Phylogenetic assessment of a maniraptoran from the Morrison Formation. Journal of Vertebrate Paleontology 25(3, suppl.):67A-68A [M. Carrano/M. Carrano/J. Alroy]
25142ETE D. M. Lovelace. 2006. An Upper Jurassic Morrison Formation fire-induced debris flow: taphonomy and paleoenvironment of a sauropod (Sauropoda: Supersaurus vivianae) locality, east-central Wyoming. 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 36:47-56 [M. Carrano/M. Carrano/M. Carrano]