PBDB Collection

Horton River, District Mackenzie, NWT, C-8610, <25 µm (Cretaceous of Canada)

Where: Northwest Territories, Canada (69.5° N, 127.0° W: paleocoordinates 77.8° N, 66.8° W)

When: Mason River Formation, Campanian (83.6 - 72.1 Ma)

Environment/lithology: offshore; shale

Size class: macrofossils

Primary reference: P. M. Tapia and D. M. Harwood. 2002. Upper Cretaceous diatom biostratigraphy of the Arctic archipelago and northern continental margin, Canada. Micropaleontology 48(4):303-342 [C. Cervato/C. Cervato]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 57649: authorized by Cinzia Cervato, entered by Cinzia Cervato on 13.12.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

unclassified
-	Cortinocornus rossicus, Micrampula parvula Cortinocornus rossicus Micrampula parvula
Bacillariophyceae
-	Bacillariophyceae indet., Trochosiropsis polychaeta, Trinacria acutangulum, Trinacria indefinita Bacillariophyceae indet. Haeckel 1878 diatom Trochosiropsis polychaeta diatom Trinacria acutangulum diatom Trinacria indefinita diatom
Melosirales - Stephanopyxidaceae	Stephanopyxis arctica, Stephanopyxis turris Stephanopyxis arctica diatom Stephanopyxis turris Greville and Arnot 1857 diatom
-	Pterotheca aculeifera, Pterotheca cf. spada, Goniothecium odontella, Corinna sp. 1 Pterotheca aculeifera diatom Pterotheca cf. spada diatom Pterotheca sp. Cf. P. spada Goniothecium odontella diatom Corinna sp. 1 Heiberg 1863 diatom
Paraliales - Paraliaceae	Paralia sulcata Paralia sulcata Ehrenberg 1838 diatom
Paraliales - Pseudopodosiraceae	Pseudopodosira reticulata Pseudopodosira reticulata diatom
Rhaphoneidales - Rhaphoneidaceae	Sceptroneis gracilis, Sceptroneis grunowii Sceptroneis gracilis diatom Sceptroneis grunowii diatom
Hemiaulus
- Biddulphiaceae	Hemiaulus curvatulus, Hemiaulus kittonii, Hemiaulus punctatus, Hemiaulus schmidti, Hemiaulus sporalis Hemiaulus curvatulus Hemiaulus kittonii Hemiaulus punctatus Hemiaulus schmidti Hemiaulus sporalis (spores)