Pal-6/2001 (Loc. 6), Brorson Halvø [Palnatokes Bjerg Fm] (Cretaceous of Greenland)

Where: Greenland (74.6° N, 19.6° W: paleocoordinates 59.0° N, 12.3° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Palnatokes Bjerg Formation, Late/Upper Valanginian (140.2 - 136.4 Ma)

• STRATIGRAPHIC RELATIONS: From both the Albrechts Bugt and Rødryggen Mbrs of the Palnatokes Bjerg Fm, which conformably overlies the Bernbjerg Fm (Jurassic). AGE: Valanginian, on the basis of ammonoid and belemnoid biostratigraphy. STRATIGRAPHIC POSITION: Composite list for entire formation at this section.

• formation-level stratigraphic resolution

Environment/lithology: marine; poorly lithified, concretionary mudstone

• ENVIRONMENT: Assumed to be siliciclastic marine setting.
• SPECIFIC LITHOLOGY: Concretionary unconsolidated mudstone. LITHIFICATION: Poorly lithified, base on facies description and figured specimens

Size class: macrofossils

Preservation: cast, mold/impression, concretion

Collection methods: surface (in situ),

• COLLECTOR: P. Alsen, 1996-2001; and other workers: Surlyk (1994). REPOSITORY: GMUH (Geological Museum, Copenhagen, Denmark).

Primary reference: P. Alsen. 2006. The Early Cretaceous (Late Ryazanian-Early Hauterivian) ammonite fauna of North-East Greenland: taxonomy, biostratigraphy, and biogeography. Fossils and Strata 53:1-229 [A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 83717: authorized by Austin Hendy, entered by Austin Hendy on 27.08.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for ammonoidea. Other taxa, including belemnoidea and bivalvia are stated to be present but are not listed. NOMENCLATURE: Authoritative publication, with modern nomenclature, and species-resolution identifications.
Show authors, comments, and common names
Cephalopoda
 Ammonitida - Polyptychitidae
Surites (Surites) simplex, Surites (Bojarkia) cf. stenomphalus, Menjaites (Menjaites) cf. imperceptus, Tollia (Neocraspedites) semilaevis, Tollia (Neocraspedites) rutila, Tollia (Tollia) paucicostata, Nikitinoceras (Russanovia) cf. euriptychites, Nikitinoceras (Russanovia) diptychum, Nikitinoceras (Russanovia) triptychiformis, Nikitinoceras (Nikitinoceras) intermedium, Polyptychites (Primitiviptychites) rectangulatus, Polyptychites (Polyptychites) keyserlingi, Polyptychites (Polyptychites) robertsi, Polyptychites (Siberiptychites) stubendorffi
Surites (Surites) simplex Bogoslowsky 1902 ammonite
Tollia (Neocraspedites) rutila Alsen 2006 ammonite
Nikitinoceras (Russanovia) diptychum Keyserling 1846 ammonite
Polyptychites (Polyptychites) keyserlingi Neumayr and Uhlig 1881 ammonite