Cabo Lachman-Punta Bibby [Whisky Bay Fm] (Cretaceous of Antarctica)

Where: Antarctica (64.2° S, 57.8° W: paleocoordinates 69.0° S, 52.4° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Whisky Bay Formation, Cenomanian (100.5 - 93.9 Ma)

• STRATIGRAPHIC RELATIONS: From the Whisky Bay Fm, which is regionally overlain by the Hidden Lake Fm (Coniacian), and overlies the Kotick Point Fm. AGE: Cenomanian, on the basis of stratigraphic position and macrofossil biostratigraphy. STRATIGRAPHIC POSITION: From beds in unknown part of formation

• group of beds-level stratigraphic resolution

Environment/lithology: offshore; lithified sandstone and lithified conglomerate

• ENVIRONMENT: Offshore siliciclastic marine setting.
• SPECIFIC LITHOLOGY: Sandstone and conglomerate beds, based on Figure 2 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 83553: 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.
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Cephalopoda
 Ammonitida - Tetragonitidae
Gaudryceras cf. cenomanensis
 Ammonitida - Acanthoceratidae
Eucalycoceras sp.
Eucalycoceras sp. Spath 1923 ammonite
 Ammonitida - Turrilitidae
Mariella sp.
Mariella sp. Nowak 1916 ammonite
 Ammonitida - Baculitidae
Lechites sp.
Lechites sp. Nowak 1908 ammonite
 Phylloceratida - Phylloceratidae
Phyllopachyceras "sp. 2"
Phyllopachyceras "sp. 2" Spath 1925 ammonite