Near Big Water, Tropic Shale (MNA loc. 1494): Early/Lower Turonian, Utah
collected 2000-2001

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia - Plesiosauria - Polycotylidae
Palmula quadratus n. gen., n. sp. Albright et al. 2007
1 specimen
recombined as Palmulasaurus quadratus
Type specimen: MNA V9442, anterior part of rostrum, anterior part of mandible, fragment of articular, fragment of occipital condyle, partial right coracoid, partial right scapula, complete right forelimb, right and left ilium, right and left pubis, right and left ischium, complete right hindlimb, one cervical vertebra, 19 dorsal vertebrae, three sacral vertebrae, 11 caudal vertebrae, several ribs
see common names

Geography
Country:United States State/province:Utah
Coordinates: 37.1° North, 111.7° West (view map)
Paleocoordinates:40.6° North, 77.3° 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 Ammonoid zone: Pseudoaspidoceras flexuosum
Age range of interval:93.50000 - 89.30000 m.y. ago
Stratigraphy
Formation:Tropic Shale
Stratigraphic resolution:bed
Stratigraphy comments: Tropic Shale, approximately 18 m above local top of Dakota Formation; approximately 12.3 m above top of Bentonite B; 1.7 m below top of Bentonite C (Fig. 2, column 1); middle to upper part of the Pseudoaspidoceras flexuosum Ammonoid Biozone.
Lithology and environment
Primary lithology: "shale"
Includes fossils?Y
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Preservation of anatomical detail:medium
Temporal resolution:snapshot
Spatial resolution:allochthonous
Collection methods and comments
Collection excludes:some genera
Collection methods:selective quarrying,surface (float),surface (in situ),mechanical,field collection
Reason for describing collection:taxonomic analysis
Collection dates:2000-2001
Collection method comments: MNA, Museum of Northern Arizona, Flagstaff, Arizona, USA
Metadata
Database number:150870
Authorizer:R. Benson Enterer:R. Benson
Modifier:M. Carrano Research group:vertebrate
Created:2013-09-16 18:13:24 Last modified:2023-07-26 08:40:34
Access level:the public Released:2013-09-16 18:13:24
Creative Commons license:CC BY
Reference information

Primary reference:

33381. L. B. Albright, D. D. Gillette, and A. L. Titus. 2007. Plesiosaurs from the Upper Cretaceous (Cenomanian-Turonian) Tropic Shale of southern Utah, part 2: Polycotylidae. Journal of Vertebrate Paleontology 27(1):41-58 [M. Carrano/H. Street]

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]