Calcaire de Kunraed (Cretaceous of Netherlands)

Where: Netherlands (50.9° N, 5.8° E: paleocoordinates 43.4° N, 4.6° E)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Calcaire de Kunraed Formation, Early/Lower Maastrichtian (70.6 - 66.0 Ma)

• STRATIGRAPHIC RELATIONS: From the Calcaire de Kunraed, which unconformably overlies the Vaals Fm nd is laterally correlative to the Maastricht Fm. AGE: Early Maastrichtian, on the basis of ammonite and belemnite biostratigraphy. STRATIGRAPHIC POSITION: Collection is a composite of the entire formation.

• formation-level stratigraphic resolution

Environment/lithology: lithified lime mudstone

• ENVIRONMENT: Shallow marine carbonate setting.
• SPECIFIC LITHOLOGY: No specific lithological data reported in text. Probably chalk. LITHIFICATION: Lithified on the basis of figured specimens.

Size class: macrofossils

Preservation: cast, mold/impression

Collected by Felder

Collection methods: surface (in situ),

• COLLECTORS: Felder. REPOSITORY: Naturhistorisch Museum, Maastricht (NHM).

Primary reference: W. J. Kennedy. 1986. The ammonite fauna of the type Maastrichtian with a revision of Ammonites colligatus Binkhorst, 1861. Bull. Inst. r. Sci. nat. Belg.: Science de la Terre 56:151-267 [A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 82927: authorized by Austin Hendy, entered by Austin Hendy on 05.08.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Limited to representative, common, and biostratigraphically important ammonoids and belemnites. NOMENCLATURE: Not an authoritative publication, but with modern nomenclature and species-resolution identifications.
 Ammonitida - Pachydiscidae
"Anapachydiscus fresvillensis" = Menuites fresvillensis, Pachydiscus (Pachydiscus) cf. jacquoti, "Pachydiscus (Pachydiscus) gollevillensis" = Pachydiscus gollevillensis
"Anapachydiscus fresvillensis" = Menuites fresvillensis Seunes 1890 ammonite
"Pachydiscus (Pachydiscus) gollevillensis" = Pachydiscus gollevillensis d'Orbigny 1847 ammonite
 Ammonitida - Tetragonitidae
Saghalinites sp. Wright and Matsumoto 1954 ammonite
 Ammonitida - Scaphitidae
Acanthoscaphites sp. Nowak 1911 ammonite
Acanthoscaphites verneuilianus d'Orbigny 1841 ammonite
Hoploscaphites constrictus Sowerby 1817 ammonite
 Ammonitida - Baculitidae
Baculites vertebralis Lamarck 1801 ammonite
Baculites anceps Lamarck 1822 ammonite
 Ammonitida - Diplomoceratidae
Glyptoxoceras sp. Spath 1925 ammonite
Glyptoxoceras cf. circulare Shimizu 1935 ammonite
Diplomoceras cylindraceum Defrance 1816 ammonite