PBDB Collection

Seymour Island, SI-408 (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 57542: 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
-	"Diatoms" indet., Wittia macellarii, Archaeomonadaceae indet. "Diatoms" indet. Gn. et sp. indet. Wittia macellarii Archaeomonadaceae indet.
Protozoa
-	Radiolaria indet. Radiolaria indet.
Thecofilosea
Ebriidea - Ammodochiaceae	Ammodochium ? danicum Ammodochium ? danicum
Bacillariophyceae
Coscinodiscales - Heliopeltaceae	Actinoptychus packi, Actinoptychus punctulatus, Actinoptychus taffi, Auliscus cf. priscus Actinoptychus packi diatom Actinoptychus punctulatus diatom Actinoptychus taffi diatom Auliscus cf. priscus diatom
Coscinodiscales - Coscinodiscaceae	Stellarima stenyi, Coscinodiscus morenoensis Stellarima stenyi diatom Coscinodiscus morenoensis diatom
Melosirales - Hyalodiscaceae	Hyalodiscus russicus Hyalodiscus russicus diatom
Melosirales - Melosiraceae	? Melosira patera, Pyxidicula minuta ? Melosira patera diatom Pyxidicula minuta diatom
Melosirales - Endictyaceae	Endictya lunyacsekii Endictya lunyacsekii diatom
Melosirales - Stephanopyxidaceae	Stephanopyxis hannai, Stephanopyxis lavrenkoi, Stephanopyxis maxima, Stephanopyxis superba, Stephanopyxis uralensis, Stephanopyxis weyprechtii, Stephanopyxis simonseni, Stephanopyxis turris Stephanopyxis hannai diatom Stephanopyxis lavrenkoi diatom Stephanopyxis maxima diatom Stephanopyxis superba diatom Stephanopyxis uralensis diatom Stephanopyxis weyprechtii diatom Stephanopyxis simonseni Hajos 1974 diatom Stephanopyxis turris Greville and Arnot 1857 diatom
-	Goniothecium odontella, Kentrodiscus aculeatus, Kentrodiscus fossilis, Pseudostictodiscus picus, Thalassiosiropsis wittiana, Horodiscus anastomosans Goniothecium odontella diatom Kentrodiscus aculeatus diatom Kentrodiscus fossilis diatom Pseudostictodiscus picus diatom Thalassiosiropsis wittiana diatom Horodiscus anastomosans diatom
Thalassiosirales - Skeletonemaceae	Skeletonema polychaetum, Skeletonema sp. A., Skeletonema subantarctica Skeletonema polychaetum diatom Skeletonema sp. A. Greville 1865 diatom Skeletonema subantarctica diatom
Arachnoidiscales - Arachnoidiscaceae	Arachnoidiscus simbiriskianus Arachnoidiscus simbiriskianus diatom
-	Odontotropis cristata, Odontotropis sp. Odontotropis cristata diatom Odontotropis sp. Grunow 1884 diatom Odontotropis sp. Hajos
Hemiaulales - Hemiaulaceae	Sphynctolethus monstrosus Sphynctolethus monstrosus diatom
-	Pterotheca aculeifera, Pterotheca carinifera, Pterotheca clavata, Pterotheca danica, Pterotheca evermanni, 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 danica diatom Pterotheca evermanni 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 grunowii, Sceptroneis praecaducea Sceptroneis grunowii diatom Sceptroneis praecaducea diatom
-	Pseudopyxilla aculeata, Pseudopyxilla hungarica, Pseudopyxilla rossica Pseudopyxilla aculeata diatom Pseudopyxilla hungarica diatom Pseudopyxilla rossica diatom
Centrales - Eupodiscaceae	Triceratium indefinitum, Triceratium sentum, Triceratium simplicissimum, Triceratium solenoceros, Triceratium acutangulum Triceratium indefinitum diatom Triceratium sentum diatom Triceratium simplicissimum diatom Triceratium solenoceros diatom Triceratium acutangulum diatom
Centrales -	? Rutilaria sp. ? Rutilaria sp. Harwood 1988 diatom
Pennales -	Chasea bicornis, Chasea "proshkinae-lavrenkoae" Chasea bicornis diatom Chasea "proshkinae-lavrenkoae" Hanna 1934 diatom
Rhizosoleniales - Rhizosoleniaceae	Rhizosolenia cretacea, Rhizosolenia sp. A. Rhizosolenia cretacea diatom Rhizosolenia sp. A. Brightwell 1858 diatom
-	Kittonia sp., Acanthodiscus schmidtii, Acanthodiscus vulcaniformis Kittonia sp. Grove and Sturt 1887 diatom Acanthodiscus schmidtii diatom Acanthodiscus vulcaniformis diatom
- Aulacodiscaceae	Aulacodiscus sp. Aulacodiscus sp. Ehrenberg 1844 diatom Aulacodiscus spp. fragments
-	Omphalotheca cf. jutlandica, Trinacria excavata, Trinacria grevillei, Trinacria sp. B. Omphalotheca cf. jutlandica diatom Trinacria excavata diatom Trinacria grevillei diatom Trinacria sp. B. Heiberg 1863 diatom
Anaulales - Anaulaceae	Anaulus ? acutus, Anaulus sibericus Anaulus ? acutus diatom Anaulus sibericus diatom
-	Incisoria paleoceanica, Incisoria punctata, ? Pyrgodiscus triangulatus Incisoria paleoceanica diatom Incisoria paleoceanica v. fuscina Incisoria punctata diatom ? Pyrgodiscus triangulatus diatom
Biddulphiaceae
- Biddulphiaceae	Eunotogramma polymorpha Eunotogramma polymorpha
Hemiaulus
- Biddulphiaceae	Hemiaulus andrewsi, Hemiaulus bipons, Hemiaulus curvatulus, Hemiaulus danicus, Hemiaulus elegans, Hemiaulus "hostilis group", Hemiaulus incisus, Hemiaulus kittonii, Hemiaulus praelegans, Hemiaulus "proshkinae-lavrenkoae", Hemiaulus rossicus, Hemiaulus seymouriensis, Hemiaulus sp. B., Hemiaulus sp. F., Hemiaulus sp. G., Hemiaulus sp. K., Hemiaulus cf. tumidicornis, Hemiaulus polymorphus, Hemiaulus polymorphus Hemiaulus andrewsi Hemiaulus bipons Hemiaulus curvatulus Hemiaulus danicus Hemiaulus elegans Hemiaulus "hostilis group" Ehrenberg 1844 Hemiaulus incisus Hemiaulus kittonii Hemiaulus praelegans Hemiaulus "proshkinae-lavrenkoae" Ehrenberg 1844 Hemiaulus rossicus Hemiaulus seymouriensis Hemiaulus sp. B. Ehrenberg 1844 Hemiaulus sp. F. Ehrenberg 1844 Hemiaulus sp. G. Ehrenberg 1844 Hemiaulus sp. K. Ehrenberg 1844 Hemiaulus cf. tumidicornis Hemiaulus polymorphus Grunow 1884 Hemiaulus polymorphus v. frigida Hemiaulus polymorphus Grunow 1884 Hemiaulus polymorphus v. morsianus
Chrysophyceae
Phytomastigophora - Dictyochaceae	Cornua sp. A., Dictyocha cf. navicula, Dictyocha staurodon, Corbisema apiculata, Corbisema apiculata, Corbisema aspera, Corbisema lateradiata, Corbisema sp. variant, Corbisema inermis, Corbisema hastata, Corbisema hastata, Corbisema hastata, Corbisema ? hastata Cornua sp. A. Schultz Dictyocha cf. navicula Dictyocha sp. cf. navicula f. minor Dictyocha staurodon Dictyocha staurodon f. minor Corbisema apiculata Corbisema apiculata Corbisema apiculata f. minor Corbisema aspera Corbisema lateradiata Corbisema sp. variant Hanna 1928 Corbisema inermis Schultz 1928 Corbisema hastata Perch-Nielsen 1975 Corbisema hastata Perch-Nielsen 1975 Corbisema hastata f. miranda Corbisema hastata Perch-Nielsen 1975 Corbisema hastata v. globulata Corbisema ? hastata Perch-Nielsen 1975 Corbisema hastata? var.
Dinophyceae
Gonyaulacales - Gonyaulacaceae	Carduifolia onoporides Carduifolia onoporides