Also known as Loc. 185 of Donovan (1953)
Where: Greenland (72.6° N, 22.6° W: paleocoordinates 57.0° N, 10.6° E)
• coordinate stated in text
• outcrop-level geographic resolution
When: Albrechts Bugt Member (Palnatokes Bjerg Formation), Early/Lower Valanginian (140.2 - 136.4 Ma)
• STRATIGRAPHIC RELATIONS: From the Albrechts Bugt Mbr 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 the member at this section.
• member-level stratigraphic resolution
Environment/lithology: offshore; poorly lithified, concretionary mudstone
• ENVIRONMENT: Offshore 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: Donovan, 1950-1952. 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 83742: authorized by Austin Hendy, entered by Austin Hendy on 28.08.2008
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) pseudostenomphalus, Surites (Surites) cf. mischukoviensis, Surites (Surites) aff. orbicularis, Surites (Surites) cf. pechorensis, Surites (Surites) aff. pechorensis, Surites (Surites) cf. analogus, Surites (Surites) cf. simplex, Surites (Surites) simplex, Surites (Bojarkia) tealli, Tollia (Tollia) paucicostata, Tollia (Neocraspedites) pentagonalis, Tollia (Neocraspedites) semilaevis, Tollia (Neocraspedites) semisulcata, Nikitinoceras (Nikitinoceras) mokschensis, Nikitinoceras (Nikitinoceras) intermedium, Nikitinoceras (Russanovia) cf. euriptychoides, Nikitinoceras (Russanovia) triptychiformis, Nikitinoceras (Russanovia) syzranicum, Nikitinoceras (Russanovia) diptychum, Menjaites (Menjaites) cf. imperceptus, Menjaites (Menjaites) groenlandicus, Menjaites (Surlykites) surlyki, Virgatoptychites (Propolyptychites) pumilio, Polyptychites (Siberiptychites) stubendorffi, Polyptychites (Polyptychites) michalskii, Polyptychites (Polyptychites) keyserlingi, Polyptychites (Polyptychites) plenus, Polyptychites (Polyptychites) robertsi, Polyptychites (Astieriptychites) cf. astieriptychus, Polyptychites (Primitiviptychites) rectangulatus
|