Sample 16, Mayne Island [Northumberland Fm] (Cretaceous of Canada)

Where: British Columbia, Canada (48.8° N, 123.3° W: paleocoordinates 56.2° N, 89.2° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Northumberland Formation (Nanaimo Group), Late/Upper Campanian (83.5 - 70.6 Ma)

• STRATIGRAPHIC RELATIONS: From the Northumberland Fm of the Nanaimo Gp. AGE: Late Campanian, on the basis of foraminiferal biostratigraphy. STRATIGRAPHIC POSITION: From the upper Northumberland Fm.

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified siliciclastic sediments

• SPECIFIC LITHOLOGY: Not stated in the text. LITHIFICATION: Lithified, assumed on the basis of preparation techniques.

Size class: macrofossils

Collected by McGugan

Collection methods: bulk,

• COLLECTOR: A. McGugan. REPOSITORY: Not stated in text.

Primary reference: A. McGugan. 1982. Upper Cretaceous (Campanian and Maestrichtian) Foraminifera from the Upper Lambert and Cumberland Formations, Gulf Islands, British Columbia, Canada. Micropaleontology 28(4):399-430 [A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 91077: authorized by Austin Hendy, entered by Austin Hendy on 03.09.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Limited to charactersitic or biostratigraphically useful foraminifera described in text, may be exhaustive. NOMENCLATURE: Authoritative publication, with modern nomenclature and species-resolution identifications.
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Globothalamea
 Rotaliida - Cancrisidae
Gyroidinoides goudkoffi, Gyroidinoides nitidus
 Rotaliida - Anomalinidae
Anomalinoides clementiana
Foraminifera
 Rotaliina - Globorotalitidae
Globorotalites spineus, Globorotalites cf. spineus, Globorotalites michelinianus, Globorotalites hiltermanii
 Lituolacea - Ataxophragmiidae
Marssonella trochus
 Ammodiscoidea - Saccamminidae
Lagenammina sp.
Lagenammina sp. Rhumbler 1911
 Globigerinaceae - Heterohelicidae
Planoglobulina ornatissima
 Globigerinaceae - Globotruncanidae
Globotruncana arca, Globotruncana linneiana
Globotruncana arca Cushman 1926
Globotruncana linneiana d'Orbigny 1839
Nodosariata
 Vaginulinida - Vaginulinidae
Lenticulina sp.
Lenticulina sp. Lamarck 1804
Foraminifera
 Lituolida - Rzehakinidae
Silicosigmoilina californica
  -
Gravellina sp.
 Buliminoidea - Buliminidae
Fissurina orbignyana
Fissurina orbignyana Seguenza 1862
  - Spiroplectamminidae
Spiroplectammina grzybowskii, ? Spiroplectammina "sp. A"