Rhea Corner Member, Alexander Island (Cretaceous of Antarctica)

Where: Antarctica (71.8° S, 68.5° W: paleocoordinates 71.2° S, 42.9° W)

• coordinate estimated from map

• local area-level geographic resolution

When: Rhea Corner Member (Pluto Glacier Formation), Late/Upper Aptian (122.5 - 113.0 Ma)

• fauna indicates a late Aptian age

• group of beds-level stratigraphic resolution

Environment/lithology: offshore; lithified mudstone

Size class: macrofossils

Primary reference: S. R. A. Kelly and A. C. M. Moncrieff. 1992. Marine molluscan constraints on the age of Cretaceous fossil forests of Alexander Island, Antarctica. Geological Magazine 129(6):771-778 [M. Aberhan/S. Nurnberg]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 64242: authorized by Martin Aberhan, entered by Sabine Nürnberg on 05.09.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

• fauna provisionally identified
Show authors, comments, and common names
Cephalopoda
 Phylloceratida - Phylloceratidae
"Hypophylloceras sp." = Phylloceras (Hypophylloceras)
"Hypophylloceras sp." = Phylloceras (Hypophylloceras) Salfeld 1924 ammonite
 Ammonitida - Silesitidae
Neosilesites sp.
 Ammonitida - Ancyloceratidae
? Tropaeum sp., Lithancylus sp.
? Tropaeum sp. Sowerby 1837 ammonite
Lithancylus sp. ammonite
 Ammonitida - Acrioceratidae
Helicancylus cf. patagonicus
Helicancylus cf. patagonicus Stolley 1912 ammonite
 Ammonitida - Oppeliidae
Sammartinoceras (Sinzovia) sp., Aconeceras sp.
Aconeceras sp. Hyatt 1903 ammonite