Bahía Villar Fabre-Cabo Obelisco [Kotick Point Fm] (Cretaceous of Antarctica)

Where: Antarctica (64.2° S, 57.8° W: paleocoordinates 69.1° S, 49.8° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Kotick Point Formation, Late/Upper Albian (105.3 - 99.6 Ma)

• STRATIGRAPHIC RELATIONS: From the Kotick Point Fm, which is regionally overlain by the Whisky Bay Fm (Albian-Coniacian). AGE: Albian, on the basis of ammonite biostratigraphy; here placed in the Albian on the basis of stratigraphic position. STRATIGRAPHIC POSITION: From beds in unknown part of the section.

• group of beds-level stratigraphic resolution

Environment/lithology: offshore; lithified, sandy conglomerate

• ENVIRONMENT: Offshore siliciclastic marine setting.
• SPECIFIC LITHOLOGY: Sandy conglomerate beds, based on Figure 6 of Medina et al. (1992). LITHIFICATION: Assumed to be lithified.

Size class: macrofossils

Preservation: cast, mold/impression

Collection methods: surface (in situ),

• COLLECTOR: Presumably the authors, F. A. Medina, L. Buatois, A. Lopez Angriman. REPOSITORY: Not stated in text.

Primary reference: F. A. Medina, L. Buatois, and A. Lopez Angriman. 1992. Estratigrafia del Grupo Gustav en la Isla James Ross, Antartida. Geologia de la Isla James Ross 167-192 [A. Hendy/A. Hendy]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 83560: authorized by Austin Hendy, entered by Austin Hendy on 22.08.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Not exhaustive but inclusive of representative and biostratigraphically important ammonoidea, bivalvia, and other taxa. Other taxa may be present, but were not listed in present biostratigraphic treatment. NOMENCLATURE: Not an authoritative publication, but with fairly modern nomenclature and species-resolution identifications where listed.
Show authors, comments, and common names
Bivalvia
 Pectinida - Oxytomidae
Maccoyella sp.
 Pectinida - Buchiidae
Aucellina sp.
Aucellina sp. Pompeckj 1901 scallop
Cephalopoda
 Ammonitida - Tetragonitidae
"Tetragonites rectangularis" = Tetragonites timotheanus rectangularis, "Anagaudryceras buddha" = Anagaudryceras sacya, Anagaudryceras pulchrum
"Tetragonites rectangularis" = Tetragonites timotheanus rectangularis Wiedmann 1962 ammonite
"Anagaudryceras buddha" = Anagaudryceras sacya Forbes 1846 ammonite
Anagaudryceras pulchrum Crick 1907 ammonite
 Ammonitida - Ptychoceratidae
Ptychoceras sp.
Ptychoceras sp. d'Orbigny 1842 ammonite