Where: Antarctica (64.3° S, 56.8° W: paleocoordinates 63.1° S, 66.7° W)
• coordinate stated in text
• outcrop-level geographic resolution
When: López de Bertodano Formation, Danian (66.0 - 61.6 Ma)
• STRATIGRAPHIC RELATIONS: From Sobral Formation, which unconformably overlues the Lopez de Bertodana Fm (Late Maastrichtian-Danian) and is overlain by the La Meseta Fm. THICKNESS: Section reachs 1600 m in thickness, presumably collection is from a horizon of bed-scale thickness. AGE: Early Danian. STRATIGRAPHIC POSITION: 1167.94 m
• bed-level stratigraphic resolution
Environment/lithology: offshore; poorly lithified, gray, silty sandstone
Size class: macrofossils
Reposited in the USNM
Collection methods: bulk,
• COLLECTORS: Stilwell and Zinsmeister. REPOSITORY: Most all material is reposited in USNM collections.
Primary reference: J. D. Stilwell, W. J. Zinsmeister, and A. E. Oleinik. 2004. Early Paleocene Mollusks of Antarctica: Systematics, Paleoecology and Paleobiogeographic Significance. Bulletins of American Paleontology 367 [A. Hendy/A. Hendy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 67031: authorized by Austin Hendy, entered by Austin Hendy on 04.11.2006
Creative Commons license: CC BY (attribution)
Taxonomic list
Anthozoa | |
Scleractinia indet. Bourne 1900 stony coral | |
Bivalvia | |
Australoneilo gracilis Wilckens 1907 clam | |
Nucula (Leionucula) hunickeni Zinsmeister and Macellari 1988 nut clam
Nucula (Leionucula) suboblonga Wilckens 1907 nut clam | |
Lahillia larseni Sharman and Newton 1897 clam
Lahillia huberi Zinsmeister and Macellari 1988 clam | |
Marwickia woodburnei Zinsmeister and Macellari 1988 venus clam | |
Cucullaea ellioti Zinsmeister and Macellari 1988 clam | |
Gastropoda | |
Vanikoropsis arktowskiana Wilckens 1910 snail | |
Struthiochenopus hurleyi n. sp.
Struthiochenopus hurleyi n. sp. Stilwell et al. 2004 snail | |
Seymourosphaera bulloides Oleinik and Zinsmeister 1996 true whelk
Seymourosphaera depressa Olenik and Zinsmeister 1996 true whelk
Strepsidura polaris Stilwell et al. 2004 true whelk | |
Sycostoma pyrinota n. sp. Stilwell et al. 2004 snail
Probuccinum palaiocostatum n. sp. Stilwell et al. 2004 snail
Levifusus woolfei n. sp. Stilwell et al. 2004 snail | |
Zygomelon apheles n. sp.
Zygomelon apheles n. sp. Stilwell et al. 2004 volute | |
Conotomaria "sp. A" Cox 1959 snail
Conotomaria "sp. C" Cox 1959 snail | |
Crinoidea | |
Crinoidea indet. Miller 1821 Sea lily | |
Echinoidea | |
Echinoidea indet. Leske 1778 sea urchin |