Seymour Island, SI-400 (Cretaceous of Antarctica)

Where: Antarctica (64.3° S, 56.8° W: paleocoordinates 62.5° S, 67.5° W)

When: Lopez de Bertodano Formation, Maastrichtian (72.1 - 66.0 Ma)

Environment/lithology: offshore; sandstone

Collection methods: date sample taken 1982/1984

Primary reference: D. Harwood. 1988. Upper Cretaceous and lower Paleocene diatom and silicoflagellate biostratigraphy of Seymour Island, eastern Antarctic Peninsula. Geological Society of America, Memoir 169:55-129 [C. Cervato/C. Cervato]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 57562: authorized by Cinzia Cervato, entered by Cinzia Cervato on 13.12.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Chrysophyceae
 Phytomastigophora - Dictyochaceae
Bacillariophyceae
  - Aulacodiscaceae
? Aulacodiscus sp. A. Ehrenberg 1844 diatom
 Rhizosoleniales - Rhizosoleniaceae
Rhizosolenia sp. A. Brightwell 1858 diatom
  -
 Centrales - Eupodiscaceae
  -
Pterotheca pokrovskajae diatom
Pterotheca pokrovskajae var.
 Melosirales - Endictyaceae
 Melosirales - Melosiraceae
 Melosirales - Stephanopyxidaceae
 Anaulales - Anaulaceae
Hemiaulus
  - Biddulphiaceae
Biddulphiaceae
  - Biddulphiaceae
Dinophyceae
 Gonyaulacales - Gonyaulacaceae