Seymour Island, SI-380 (Cretaceous of Antarctica)

Where: Antarctica (64.3° S, 56.8° W)

• Paleocoordinates: 59.0° S, 70.5° W (Wright 2013)

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 57568: authorized by Cinzia Cervato, entered by Cinzia Cervato on 13.12.2005

Creative Commons license: CC0 (CC0)

Taxonomic list

Show authors, comments, and common names
Protozoa
  -
Radiolaria indet.
Hemiaulus
  - Biddulphiaceae
Hemiaulus ambiguus, Hemiaulus bipons, Hemiaulus danicus, Hemiaulus elegans, Hemiaulus gleseri, Hemiaulus huberi, Hemiaulus kittonii, Hemiaulus rossicus, Hemiaulus seymouriensis, Hemiaulus sp. C., Hemiaulus sp. G., Hemiaulus sp. J., Hemiaulus sp. L., Hemiaulus sporalis, Hemiaulus polymorphus
Hemiaulus sp. C. Ehrenberg 1844
Hemiaulus sp. G. Ehrenberg 1844
Hemiaulus sp. J. Ehrenberg 1844
Hemiaulus sp. L. Ehrenberg 1844
Hemiaulus polymorphus Grunow 1884
Hemiaulus polymorphus v. frigida
Bacillariophyceae
  -
Goniothecium odontella
  - Aulacodiscaceae
Aulacodiscus cf. nigrescens, ? Aulacodiscus sp. A.
? Aulacodiscus sp. A. Ehrenberg 1844 diatom
 Rhizosoleniales - Rhizosoleniaceae
Rhizosolenia cretacea, Rhizosolenia sp. A.
Rhizosolenia sp. A. Brightwell 1858 diatom
  -
Pterotheca crucifera, Pterotheca spada, Pterotheca trojana
 Rhaphoneidales - Rhaphoneidaceae
Sceptroneis grunowii, Sceptroneis sp. A.
Sceptroneis sp. A. Ehrenberg 1844 diatom
 Paraliales - Pseudopodosiraceae
Pseudopodosira westii
 Paraliales - Paraliaceae
Paralia sulcata group
Paralia sulcata group Heiberg 1863 diatom
  -
Acanthodiscus schmidtii, Acanthodiscus vulcaniformis, Trinacria acutangulum, Trinacria aries, Trinacria excavata, Trinacria insipiens, Trinacria pileolus, Trinacria sp. B., Trinacria sp. C., Trinacria swastika
Trinacria sp. B. Heiberg 1863 diatom
Trinacria sp. C. Heiberg 1863 diatom
 Coscinodiscales - Heliopeltaceae
Actinoptychus packi, Actinoptychus taffi
 Coscinodiscales - Coscinodiscaceae
Coscinodiscus morenoensis, Stellarima stenyi
  -
Thalassiosiropsis wittiana, Huttonia antiqua, Incisoria lanceolata, Incisoria punctata, Incisoria sp. A.
Incisoria sp. A. Hajos 1975 diatom
 Melosirales - Stephanopyxidaceae
Stephanopyxis broschii, Stephanopyxis delectabilis, Stephanopyxis hannai, Stephanopyxis lavrenkoi, Stephanopyxis marginata, Stephanopyxis maxima, Stephanopyxis sp. A., Stephanopyxis sp. B., Stephanopyxis cf. grunowii, Stephanopyxis weyprechtii, Stephanopyxis simonseni, Stephanopyxis turris
Stephanopyxis sp. A. Ehrenberg 1845 diatom
Stephanopyxis sp. B. Ehrenberg 1845 diatom
Stephanopyxis simonseni Hajos 1974 diatom
Stephanopyxis turris Greville and Arnot 1857 diatom
 Melosirales - Melosiraceae
Pyxidicula minuta, ? Melosira patera
 Melosirales - Hyalodiscaceae
Hyalodiscus russicus
 Melosirales - Endictyaceae
Endictya lunyacsekii
  -
? Pyrgodiscus triangulatus, Pseudopyxilla dubia, Pseudopyxilla rossica, Gladius antarcticus, Gladius pacificus, Gladius speciosus group
Gladius antarcticus diatom
Gladius antarcticus f. alta
Gladius speciosus group Forti and Schulz 1932 diatom
 Centrales - Eupodiscaceae
Triceratium indefinitum, Triceratium nobile, Triceratium sentum
Chrysophyceae
 Phytomastigophora - Dictyochaceae
Lyramula deflandrei, Lyramula furcula, Lyramula minor, Lyramula simplex, Silicoflagellida indet., Corbisema apiculata, Corbisema geometrica, Corbisema lateradiata, Corbisema inermis, Vallacerta siderea, Vallacerta tumidula
Silicoflagellida indet.
Genus et species indet. A.
Corbisema inermis Schultz 1928
Dinophyceae
 Gonyaulacales - Gonyaulacaceae
Carduifolia onoporides