PBDB Collection

Seymour Island, SI-19 (Cretaceous of Antarctica)

Where: Antarctica (64.3° S, 56.8° W: paleocoordinates 62.1° S, 67.5° W)

When: Lopez de Bertodano Formation, Campanian (83.6 - 72.1 Ma)

• Campanian

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 57573: 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
-	Archaeomonadaceae indet. Archaeomonadaceae indet.
Chrysophyceae
Phytomastigophora - Dictyochaceae	Vallacerta siderea, Vallacerta tumidula, Lyramula deflandrei, Lyramula furcula, Lyramula minor, Corbisema geometrica Vallacerta siderea Vallacerta tumidula Lyramula deflandrei Lyramula furcula Lyramula minor Corbisema geometrica
Biddulphia
- Biddulphiaceae	Biddulphia sparsipunctata Biddulphia sparsipunctata
Hemiaulus
- Biddulphiaceae	Hemiaulus assymetricus, Hemiaulus bipons, Hemiaulus echinulatus, Hemiaulus elegans, Hemiaulus "hostilis group", Hemiaulus huberi, Hemiaulus includens, Hemiaulus kittonii, Hemiaulus kondai, Hemiaulus praelegans, Hemiaulus rossicus, Hemiaulus sibericus, Hemiaulus sp. A., Hemiaulus sp. B., Hemiaulus polymorphus, Hemiaulus polymorphus Hemiaulus assymetricus Hemiaulus bipons Hemiaulus echinulatus Hemiaulus elegans Hemiaulus "hostilis group" Ehrenberg 1844 Hemiaulus huberi Hemiaulus includens Hemiaulus kittonii Hemiaulus kondai Hemiaulus praelegans Hemiaulus rossicus Hemiaulus sibericus Hemiaulus sp. A. Ehrenberg 1844 Hemiaulus sp. B. Ehrenberg 1844 Hemiaulus polymorphus Grunow 1884 Hemiaulus polymorphus v. frigida Hemiaulus polymorphus Grunow 1884 Hemiaulus polymorphus v. morsianus
Biddulphiaceae
- Biddulphiaceae	Eunotogramma polymorpha, Eunotogramma producta, Eunotogramma weissei Eunotogramma polymorpha Eunotogramma producta Eunotogramma producta v. recta Eunotogramma weissei
Bacillariophyceae
-	Goniothecium odontella Goniothecium odontella diatom
Thalassiosirales - Skeletonemaceae	Skeletonema polychaetum Skeletonema polychaetum diatom
Melosirales - Endictyaceae	Endictya lunyacsekii Endictya lunyacsekii diatom
Melosirales - Melosiraceae	Pyxidicula minuta, Melosira vetustissima Pyxidicula minuta diatom Melosira vetustissima diatom
Melosirales - Stephanopyxidaceae	Stephanopyxis delectabilis, Stephanopyxis uralensis, Stephanopyxis weyprechtii, Stephanopyxis turris, Stephanopyxis simonseni Stephanopyxis delectabilis diatom Stephanopyxis uralensis diatom Stephanopyxis weyprechtii diatom Stephanopyxis turris Greville and Arnot 1857 diatom Stephanopyxis simonseni Hajos 1974 diatom
Coscinodiscales - Heliopeltaceae	Actinoptychus packi Actinoptychus packi diatom
Coscinodiscales - Coscinodiscaceae	Coscinodiscus morenoensis Coscinodiscus morenoensis diatom
- Aulacodiscaceae	Aulacodiscus sp. Aulacodiscus sp. Ehrenberg 1844 diatom Aulacodiscus spp. fragments
Rhizosoleniales - Rhizosoleniaceae	Rhizosolenia cretacea Rhizosolenia cretacea diatom
-	Omphalotheca cf. jutlandica, Kentrodiscus aculeatus, Epithelion sp., Incisoria inordinata, Incisoria lanceolata, Incisoria punctata, Incisoria sp. A. Omphalotheca cf. jutlandica diatom Kentrodiscus aculeatus diatom Epithelion sp. Pantocsek 1905 diatom Epithelion spp. Incisoria inordinata diatom Incisoria lanceolata diatom Incisoria punctata diatom Incisoria sp. A. Hajos 1975 diatom
Centrales -	Cladogramma cf. simplex Cladogramma cf. simplex diatom
Centrales - Eupodiscaceae	Triceratium indefinitum, Triceratium nobile Triceratium indefinitum diatom Triceratium nobile diatom
Pennales -	Chasea bicornis Chasea bicornis diatom
-	Acanthodiscus antarcticus, Acanthodiscus vulcaniformis, Trinacria acutangulum, Trinacria aries, Trinacria excavata, Trinacria grevillei, Trinacria pileolus, Trinacria sp. A., Trinacria sp. B. Acanthodiscus antarcticus diatom Acanthodiscus vulcaniformis diatom Trinacria acutangulum diatom Trinacria aries diatom Trinacria excavata diatom Trinacria grevillei diatom Trinacria pileolus diatom Trinacria sp. A. Heiberg 1863 diatom Trinacria sp. B. Heiberg 1863 diatom
Rhaphoneidales - Rhaphoneidaceae	Sceptroneis grunowii, Sceptroneis praecaducea, Sceptroneis sp. A., ? Sceptroneis sp. B. Sceptroneis grunowii diatom Sceptroneis praecaducea diatom Sceptroneis sp. A. Ehrenberg 1844 diatom ? Sceptroneis sp. B. Ehrenberg 1844 diatom
-	Pseudopyxilla aculeata, Pseudopyxilla dubia, Pseudopyxilla rossica, Pseudopyxilla americana, Gladius pacificus, Gladius speciosus group Pseudopyxilla aculeata diatom Pseudopyxilla dubia diatom Pseudopyxilla rossica diatom Pseudopyxilla americana Ehrenberg 1843 diatom Gladius pacificus diatom Gladius speciosus group Forti and Schulz 1932 diatom
Paraliales - Paraliaceae	Paralia sulcata group Paralia sulcata group Heiberg 1863 diatom
-	Thalassiosiropsis wittiana, ? Pyrgodiscus triangulatus Thalassiosiropsis wittiana diatom ? Pyrgodiscus triangulatus diatom
Anaulales - Anaulaceae	Anaulus ? acutus, Anaulus sibericus, Anaulus sp. A. Anaulus ? acutus diatom Anaulus sibericus diatom Anaulus sp. A. Ehrenberg 1844 diatom
-	Pterotheca carinifera, Pterotheca cretacea, Pterotheca crucifera, Pterotheca major, Pterotheca sp. A., Pterotheca uralica, Peponia barbadensis, Xanthiopyxis granti Pterotheca carinifera diatom Pterotheca carinifera v. curvirostris Pterotheca cretacea diatom Pterotheca crucifera diatom Pterotheca major diatom Pterotheca sp. A. Forti 1909 diatom Pterotheca uralica diatom Peponia barbadensis diatom Xanthiopyxis granti diatom
Protozoa
-	Radiolaria indet. Radiolaria indet.

Ichnofossils -	Helminthopsis wornardti Helminthopsis wornardti
Dinophyceae
Actiniscales - Actiniscaceae	Actiniscus pentasterias Actiniscus pentasterias
Gonyaulacales - Gonyaulacaceae	Carduifolia onoporides Carduifolia onoporides