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
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Palmula quadratus n. gen., n. sp.
Albright et al. 2007
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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] |