Tropic Shale (MNA loc. 1627): Early/Lower Turonian, Utah
collected by MNA 2003

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia - Plesiosauria - Polycotylidae
Dolichorhynchops tropicensis n. sp. Schmeisser McKean 2012
1 individual
MNA V10046 - type (complete skull, nearly complete dentition, an incomplete set of vertebrae and ribs, scapulae, coracoids, ilia, ischia, pubes, nearly complete forelimbs and hindlimbs)
    = Scalamagnus tropicensis n. gen., n. sp. Schmeisser McKean 2012
Clark et al. 2024
see common names

Geography
Country:United States State/province:Utah County:Kane
Coordinates: 37.0° North, 111.7° West (view map)
Paleocoordinates:40.5° North, 77.4° West
Basis of coordinate:based on nearby landmark
Geographic resolution:small collection
Time
Period:Cretaceous Epoch:Late/Upper Cretaceous
Stage:Turonian 10 m.y. bin:Cretaceous 6
Key time interval:Early/Lower Turonian
Age range of interval:93.90000 - 89.80000 m.y. ago
Stratigraphy
Formation:Tropic Shale
Stratigraphic resolution:bed
Stratigraphy comments: The sites are located within the Early Turonian, in a span between 93.5 and 92.0 Ma
Lithology and environment
Primary lithology: "shale"
Includes fossils?Y
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection methods:surface (in situ),field collection
Reason for describing collection:taxonomic analysis
Collectors:MNA Collection dates:2003
Metadata
Also known as:Dolichorhynchops tropicensis type
Database number:132356
Authorizer:P. Mannion, E. Vlachos Enterer:P. Mannion, F. Aspromonte
Modifier:M. Carrano Research group:vertebrate
Created:2012-08-14 23:07:11 Last modified:2023-07-26 08:20:59
Access level:the public Released:2012-08-14 23:07:11
Creative Commons license:CC BY
Reference information

Primary reference:

42631. R. Schmeisser McKean. 2012. A new species of polycotylid plesiosaur (Reptilia: Sauropterygia) from the Lower Turonian of Utah: Extending the stratigraphic range of Dolichorhynchops. Cretaceous Research 34:184-199 [P. Mannion/P. Mannion]

Secondary references:

85420 L. B. Albright, D. D. Gillette, and A. L. Titus. 2013. Fossil vertebrates from the Tropic Shale (Upper Cretaceous), southern Utah. In A. L. Titus & M. A. Loewen (ed.), At the Top of the Grand Staircase: The Late Cretaceous of Southern Utah 536-562 [M. Carrano/M. Carrano]
87231 R. O. Clark, F. R. O'Keefe, and S. E. Slack. 2024. A new genus of small polycotylid plesiosaur from the Upper Cretaceous of the Western Interior Seaway and a clarification of the genus Dolichorhynchops. Cretaceous Research 157:105812:1-35 [E. Vlachos/F. Aspromonte/P. Mannion]