Seymour Island, SI-76 (Paleocene of Antarctica)

Where: Antarctica (64.3° S, 56.8° W: paleocoordinates 63.5° S, 66.2° W)

When: Sobral Formation, Paleocene (66.0 - 56.0 Ma)

Environment/lithology: delta front; 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 57538: authorized by Cinzia Cervato, entered by Cinzia Cervato on 13.12.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Biddulphia
  - Biddulphiaceae
Biddulphiaceae
  - Biddulphiaceae
Hemiaulus
  - Biddulphiaceae
Bacillariophyceae
 Rhaphoneidales - Rhaphoneidaceae
  -
Trinacria heibergii diatom
Trinacria heibergii v. rostratum
 Anaulales - Anaulaceae
Anaulus sp. A. Ehrenberg 1844 diatom
  -
 Arachnoidiscales - Arachnoidiscaceae
 Thalassiosirales - Skeletonemaceae
  -
 Melosirales - Stephanopyxidaceae
Stephanopyxis sp. B. Ehrenberg 1845 diatom
Stephanopyxis simonseni Hajos 1974 diatom
Stephanopyxis turris Greville and Arnot 1857 diatom
Stephanopyxis turris Greville and Arnot 1857 diatom
Stephanopyxis turris v. cylindrus
 Melosirales - Melosiraceae
 Melosirales - Endictyaceae
  -
  - Aulacodiscaceae
Aulacodiscus sp. Ehrenberg 1844 diatom
Aulacodiscus spp. fragments
 Rhizosoleniales - Rhizosoleniaceae
  -
Pseudopyxilla sp. Forti 1909 diatom
Pseudopyxilla sp. Strelnikova
Pseudopyxilla americana Ehrenberg 1843 diatom
 Centrales - Eupodiscaceae
Triceratium flos diatom
Triceratium flos var. intermedia
Triceratium sp. A. Ehrenberg 1839 diatom
 Centrales -
 Pennales -
  -
 Coscinodiscales - Heliopeltaceae
Auliscus sp. A. Ehrenberg 1843 diatom
 Coscinodiscales - Coscinodiscaceae
unclassified
  -
Chrysophyceae
 Phytomastigophora - Dictyochaceae
Corbisema hastata Perch-Nielsen 1975
Corbisema hastata Perch-Nielsen 1975
Corbisema hastata v. globulata
Protozoa
  -
Dinophyceae
 Gonyaulacales - Gonyaulacaceae