Also known as Seymour Island
Where: Antarctica (64.3° S, 56.8° W: paleocoordinates 62.5° S, 67.5° W)
• coordinate estimated from map
When: Sandwich Bluff Member (López de Bertodano Formation), Maastrichtian (72.1 - 66.0 Ma)
• The loon material was found in the upper part (Unit 9) of the loosely consolidated 1200-m-thick Lopez de Bertodano Formation (Fig. 1B).
• member-level stratigraphic resolution
Environment/lithology: marine; poorly lithified, nodular, calcareous sandstone
Size class: macrofossils
Collected by Bryan Small, Sankar Chatterjee in 31st December 1983
Primary reference: S. Chatterjee. 2002. The morphology and systematics of Polarornis, a Cretaceous Loon (Aves: Gaviidae) from Antarctica. In Z.-H. Zhou, F.-C. Zhang (eds.), Proceedings of the 5th Symposium of the Society of Avian Paleontology and Evolution 125-155 [G. Lloyd/G. Lloyd]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 131860: authorized by Graeme Lloyd, entered by Graeme Lloyd on 31.07.2012
Creative Commons license: CC BY (attribution)
Taxonomic list
Aves | |
Polarornis gregorii n. gen. n. sp.
|