PBDB Collection

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

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unclassified
-	Wittia macellarii, Archaeomonadaceae indet. Wittia macellarii Archaeomonadaceae indet.
Protozoa
-	Radiolaria indet. Radiolaria indet.
Dinophyceae
Gonyaulacales - Gonyaulacaceae	Carduifolia onoporides Carduifolia onoporides
Biddulphiaceae
- Biddulphiaceae	Eunotogramma polymorpha Eunotogramma polymorpha
Hemiaulus
- Biddulphiaceae	Hemiaulus andrewsi, Hemiaulus bipons, Hemiaulus danicus, Hemiaulus elegans, Hemiaulus "hostilis group", Hemiaulus kondai, Hemiaulus "proshkinae-lavrenkoae", Hemiaulus rossicus, Hemiaulus sibericus, Hemiaulus sp. A., Hemiaulus sp. D., Hemiaulus sp. F., Hemiaulus sp. G., Hemiaulus sp. H., Hemiaulus sp. K., Hemiaulus sp. L., Hemiaulus cf. tumidicornis, Hemiaulus sporalis, Hemiaulus polymorphus Hemiaulus andrewsi Hemiaulus bipons Hemiaulus danicus Hemiaulus elegans Hemiaulus "hostilis group" Ehrenberg 1844 Hemiaulus kondai Hemiaulus "proshkinae-lavrenkoae" Ehrenberg 1844 Hemiaulus rossicus Hemiaulus sibericus Hemiaulus sp. A. Ehrenberg 1844 Hemiaulus sp. D. Ehrenberg 1844 Hemiaulus sp. F. Ehrenberg 1844 Hemiaulus sp. G. Ehrenberg 1844 Hemiaulus sp. H. Ehrenberg 1844 Hemiaulus sp. K. Ehrenberg 1844 Hemiaulus sp. L. Ehrenberg 1844 Hemiaulus cf. tumidicornis Hemiaulus sporalis Hemiaulus polymorphus Grunow 1884 Hemiaulus polymorphus v. frigida
Biddulphia
- Biddulphiaceae	Biddulphia sparsipunctata Biddulphia sparsipunctata
Bacillariophyceae
Rhizosoleniales - Rhizosoleniaceae	Rhizosolenia cretacea Rhizosolenia cretacea diatom
Arachnoidiscales - Arachnoidiscaceae	Arachnoidiscus simbiriskianus Arachnoidiscus simbiriskianus diatom
-	Pseudopyxilla aculeata, Pseudopyxilla dubia, Pseudopyxilla rossica, Pseudopyxilla sp., Pseudopyxilla americana, Acanthodiscus antarcticus, Acanthodiscus ornatus, Acanthodiscus schmidtii, Acanthodiscus vulcaniformis, Trinacria acutangulum, Trinacria aries, Trinacria excavata, Trinacria grevillei, Trinacria heibergii, Trinacria insipiens, Trinacria pileolus, Incisoria paleoceanica, Horodiscus anastomosans Pseudopyxilla aculeata diatom Pseudopyxilla dubia diatom Pseudopyxilla rossica diatom Pseudopyxilla sp. Forti 1909 diatom Pseudopyxilla sp. Strelnikova Pseudopyxilla americana Ehrenberg 1843 diatom Acanthodiscus antarcticus diatom Acanthodiscus ornatus diatom Acanthodiscus schmidtii diatom Acanthodiscus vulcaniformis diatom Trinacria acutangulum diatom Trinacria aries diatom Trinacria excavata diatom Trinacria grevillei diatom Trinacria heibergii diatom Trinacria heibergii v. rostratum Trinacria insipiens diatom Trinacria pileolus diatom Incisoria paleoceanica diatom Incisoria paleoceanica v. fuscina Horodiscus anastomosans diatom
Anaulales - Anaulaceae	Anaulus ? acutus, Anaulus sp. A., Anaulus weyprechtii Anaulus ? acutus diatom Anaulus sp. A. Ehrenberg 1844 diatom Anaulus weyprechtii diatom
-	Xanthiopyxis granti Xanthiopyxis granti diatom
Melosirales - Melosiraceae	Pyxidicula minuta, ? Melosira patera, Melosira vetustissima Pyxidicula minuta diatom ? Melosira patera diatom Melosira vetustissima diatom
Melosirales - Endictyaceae	Endictya lunyacsekii Endictya lunyacsekii diatom
Melosirales - Stephanopyxidaceae	Stephanopyxis delectabilis, Stephanopyxis edita, Stephanopyxis hannai, Stephanopyxis maxima, Stephanopyxis sp. B., Stephanopyxis superba, Stephanopyxis uralensis, Stephanopyxis weyprechtii, Stephanopyxis turris, Stephanopyxis turris, Stephanopyxis simonseni Stephanopyxis delectabilis diatom Stephanopyxis edita diatom Stephanopyxis hannai diatom Stephanopyxis maxima diatom Stephanopyxis sp. B. Ehrenberg 1845 diatom Stephanopyxis superba diatom Stephanopyxis uralensis diatom Stephanopyxis weyprechtii diatom Stephanopyxis turris Greville and Arnot 1857 diatom Stephanopyxis turris Greville and Arnot 1857 diatom Stephanopyxis turris v. cylindrus Stephanopyxis simonseni Hajos 1974 diatom
-	? Pyrgodiscus triangulatus ? Pyrgodiscus triangulatus diatom
Pennales -	Chasea bicornis, Chasea "proshkinae-lavrenkoae" Chasea bicornis diatom Chasea "proshkinae-lavrenkoae" Hanna 1934 diatom
Centrales -	Cladogramma cf. jordani Cladogramma cf. jordani diatom
Centrales - Eupodiscaceae	Triceratium flos, Triceratium indefinitum, Triceratium nobile, Triceratium sentum, Triceratium solenoceros, Triceratium sp. A. Triceratium flos diatom Triceratium flos var. intermedia Triceratium indefinitum diatom Triceratium nobile diatom Triceratium sentum diatom Triceratium solenoceros diatom Triceratium sp. A. Ehrenberg 1839 diatom
- Aulacodiscaceae	Aulacodiscus simbiriskianus, Aulacodiscus sp. Aulacodiscus simbiriskianus diatom Aulacodiscus sp. Ehrenberg 1844 diatom Aulacodiscus spp. fragments
Coscinodiscales - Coscinodiscaceae	Coscinodiscus morenoensis, Coscinodiscus sparsus, Stellarima stenyi Coscinodiscus morenoensis diatom Coscinodiscus sparsus diatom Stellarima stenyi diatom
Coscinodiscales - Heliopeltaceae	Actinoptychus packi, Actinoptychus taffi, Auliscus sp. A. Actinoptychus packi diatom Actinoptychus taffi diatom Auliscus sp. A. Ehrenberg 1843 diatom
Thalassiosirales - Skeletonemaceae	Skeletonema penicillis Skeletonema penicillis diatom
-	Pterotheca aculeifera, Pterotheca carinifera, Pterotheca clavata, Pterotheca infundibulum, Pterotheca kittoniana, Pterotheca major, Pterotheca pokrovskajae, Pterotheca pokrovskajae, Pterotheca sp. A., Pterotheca sp. B., Pterotheca spada, Pterotheca subulata, Pterotheca uralica Pterotheca aculeifera diatom Pterotheca carinifera diatom Pterotheca clavata diatom Pterotheca infundibulum diatom Pterotheca kittoniana diatom Pterotheca major diatom Pterotheca pokrovskajae diatom Pterotheca pokrovskajae diatom Pterotheca pokrovskajae var. Pterotheca sp. A. Forti 1909 diatom Pterotheca sp. B. Forti 1909 diatom Pterotheca spada diatom Pterotheca subulata diatom Pterotheca uralica diatom
Rhaphoneidales - Rhaphoneidaceae	Sceptroneis praecaducea Sceptroneis praecaducea diatom
-	Kentrodiscus aculeatus, Kentrodiscus fossilis Kentrodiscus aculeatus diatom Kentrodiscus fossilis diatom
Chrysophyceae
Phytomastigophora - Dictyochaceae	Corbisema apiculata, Corbisema aspera, Corbisema lateradiata, Corbisema hastata, Corbisema hastata Corbisema apiculata Corbisema aspera Corbisema lateradiata Corbisema hastata Perch-Nielsen 1975 Corbisema hastata Perch-Nielsen 1975 Corbisema hastata v. globulata