PBDB Collection

Seymour Island, SI-409 (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 57558: authorized by Cinzia Cervato, entered by Cinzia Cervato on 13.12.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

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unclassified
-	Wittia macellarii, Archaeomonadaceae indet., Archaeomonad sp. A. Wittia macellarii Archaeomonadaceae indet. Archaeomonad sp. A.
Dinophyceae
Gonyaulacales - Gonyaulacaceae	Carduifolia onoporides Carduifolia onoporides
Biddulphiaceae
- Biddulphiaceae	Eunotogramma enorme, Eunotogramma gibbosa Eunotogramma enorme Eunotogramma gibbosa
Hemiaulus
- Biddulphiaceae	Hemiaulus cf. tumidicornis, Hemiaulus polymorphus Hemiaulus cf. tumidicornis Hemiaulus polymorphus Grunow 1884 Hemiaulus polymorphus v. frigida
Bacillariophyceae
Rhizosoleniales - Rhizosoleniaceae	Rhizosolenia sp. A. Rhizosolenia sp. A. Brightwell 1858 diatom
-	Pseudopyxilla aculeata, Acanthodiscus vulcaniformis, Trinacria acutangulum, Trinacria excavata, Trinacria heibergii, Trinacria pileolus, Gladius antarcticus, Gladius pacificus Pseudopyxilla aculeata diatom Acanthodiscus vulcaniformis diatom Trinacria acutangulum diatom Trinacria excavata diatom Trinacria heibergii diatom Trinacria heibergii v. rostratum Trinacria pileolus diatom Gladius antarcticus diatom Gladius pacificus diatom
Melosirales - Melosiraceae	Pyxidicula minuta Pyxidicula minuta diatom
Melosirales - Endictyaceae	Endictya lunyacsekii Endictya lunyacsekii diatom
Melosirales - Stephanopyxidaceae	Stephanopyxis edita, Stephanopyxis hannai, Stephanopyxis lavrenkoi, Stephanopyxis sp. A., Stephanopyxis sp. B., Stephanopyxis sp. C., Stephanopyxis cf. grunowii, Stephanopyxis superba, Stephanopyxis uralensis, Stephanopyxis turris, Stephanopyxis turris, Stephanopyxis simonseni Stephanopyxis edita diatom Stephanopyxis hannai diatom Stephanopyxis lavrenkoi diatom Stephanopyxis sp. A. Ehrenberg 1845 diatom Stephanopyxis sp. B. Ehrenberg 1845 diatom Stephanopyxis sp. C. Ehrenberg 1845 diatom Stephanopyxis cf. grunowii diatom Stephanopyxis superba diatom Stephanopyxis uralensis diatom Stephanopyxis turris Greville and Arnot 1857 diatom Stephanopyxis turris Greville and Arnot 1857 diatom Stephanopyxis turris v. cylindrus Stephanopyxis simonseni Hajos 1974 diatom
Centrales - Eupodiscaceae	Triceratium indefinitum, Triceratium sentum Triceratium indefinitum diatom Triceratium sentum diatom
- Aulacodiscaceae	? Aulacodiscus sp. A. ? Aulacodiscus sp. A. Ehrenberg 1844 diatom
Coscinodiscales - Coscinodiscaceae	Coscinodiscus morenoensis Coscinodiscus morenoensis diatom
-	Pterotheca carinifera, Pterotheca pokrovskajae, Pterotheca pokrovskajae, Kentrodiscus fossilis Pterotheca carinifera diatom Pterotheca pokrovskajae diatom Pterotheca pokrovskajae diatom Pterotheca pokrovskajae var. Kentrodiscus fossilis diatom
Chrysophyceae
Phytomastigophora - Dictyochaceae	Lyramula deflandrei, Lyramula furcula, Corbisema lateradiata, Corbisema inermis Lyramula deflandrei Lyramula furcula Corbisema lateradiata Corbisema inermis Schultz 1928