Where: Utah (37.1° N, 111.7° W: paleocoordinates 40.6° N, 77.3° W)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Pseudoaspidoceras flexuosum ammonoid zone, Tropic Shale Formation, Early/Lower Turonian (93.5 - 89.3 Ma)
• 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.
• bed-level stratigraphic resolution
Environment/lithology: marine; shale
Size class: macrofossils
Collected in 2000-2001
Collection methods: quarrying, surface (float), surface (in situ), mechanical,
• MNA, Museum of Northern Arizona, Flagstaff, Arizona, USA
Primary reference: 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]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 150870: authorized by Roger Benson, entered by Roger Benson on 16.09.2013
Creative Commons license: CC BY (attribution)
Taxonomic list
Reptilia | |
"Palmula quadratus n. gen. n. sp." = Palmulasaurus quadratus
"Palmula quadratus n. gen. n. sp." = Palmulasaurus quadratus Albright et al. 2007 plesiosaur 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
|