Seymour Island (Paleocene to of Antarctica)

Where: Seymour Island, Antarctica (64.3° S, 56.7° W: paleocoordinates 63.2° S, 66.6° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: L. balmei and New Zealand PM3 zones pollen zone, Sobral Formation, Early/Lower Paleocene to Early/Lower Paleocene (66.0 - 61.6 Ma)

• The stratigraphic framework and dinoflagellate cyst succession have been summarized for the Campanian to Paleocene of Seymour Island (Askin, 1988a).

•The Danian succession (López de Bertodano 10 and Sobral 1-4) corresponds to the Australian L. balmei and New Zealand PM3 zones.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; gray, silty sandstone

• The overlying basal Sobral Formation (members 1 and 2) reflects more marine conditions, followed by shallowing to deltaic conditions for the main part (members 3-5) of the Sobral Formation (Macellari, 1988; Sadler, 1988; Askin, 1988a).

Size class: microfossils

Preservation: original sporopollenin

Collection methods: Palynomorphs discussed here are from approximately 500 outcrop samples in measured sections through the upper Campanian, Maastrichtian and Paleocene López de Bertodano and Sobral Formations.

Primary reference: R. A. Askin. 1990. Campanian to Paleocene spore and pollen assemblages of Seymour Island, Antarctica. Review of Palaeobotany and Palynology (65)105-113 [C. Jaramillo/C. Jaramillo]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 168705: authorized by Carlos Jaramillo, entered by Carlos Jaramillo on 27.04.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Dadrycarpites australienis
Late Campanian - Danian
Equisetopsida
 Pinidae - Pinidae
Araucariacites australis Cookson 1947
Late Campanian - Danian
Dilwynites granulatus Harris 1965
Danian
Cycadopites
  -
Cycadopites spp. Wodehouse 1933
Late Campanian - Danian
Ginkgoopsida
 Ephedrales - Ephedraceae
Ephedra notensis jointfir
Late Maastrichtian - Danian
Magnoliopsida
  -
Polycolpites langstonii Stover 1973
Late Campanian - Danian
Forcipites sabulosus Dettmann and Jarzen 1988
Late Campanian - early Danian
Haloragacidites harrisii Mildenhall and Harris 1971
Danian
Tricolporites pachyexinus
Late Campanian - early Danian
Rhoipites cf. microreticulatus
Latest Maastrichtian - Danian
Rhoipites spp. Wodehouse 1933
Maastrichtian - Danian
Dicotyledoneae
 Ericales - Ericaceae
Ericipites sp. Wodehouse 1933 heather
Danian
 Myrtales -
Myrtaceidites spp. Cookson and Pike 1960
Late Campanian - Danian
Angiospermae
 Aquifoliales - Aquifoliaceae
Ilexpollenites sp. Thiergart 1937
Late Campanian - Danian
 Proteales -
Peninsulapollis gillii Dettmann and Jarzen 1988
Late Campanian - Danian
 Proteales - Proteaceae
Propylipollis spp. Martin and Harris 1975
Late Campanian - Danian
Proteacidites spp. Cookson and Couper 1953
Late Campanian - Danian
Cranwellipollis subpalisadus Martin and Harris 1974
Maastrichtian - early Danian
Echitriporites spp. Van der Hammen 1956
Late Campanian - Danian
 Gunnerales -
Tricolpites reticulatus Couper 1953
Late Campanian - Danian
 Mesangiosperms - Liliaceae
Liliacidites spp. Couper 1953
Maastrichtian - Danian
Liliacidites cf. kaitangataensis Couper 1953
Late Campanian - Danian
 Fagales -
Nothofagidites spp. Potonié 1960
Late Campanian - Danian
 Fagales - Nothofagaceae
Nothofagus "fusca group" Blume 1850
Late Campanian - Danian
Nothofagus "brassii group" Blume 1850
Late Campanian - Danian
Nothofagus "menziesii group" Blume 1850
Late Campanian - Danian
 Coniferales - Podocarpaceae
Microcachryidites antarcticus Couper 1953 podocarp
Late Campanian - Danian
Lygistepollenites florinii Stover and Evans 1973 podocarp
Late Campanian - Danian
Dacrydiumites spp. Harris 1965 podocarp
Late Campanian - Danian
Podosporites spp. Rao 1943 podocarp
Late Campanian - Danian
Phyllocladidites spp. Cookson 1947 podocarp
Late Campanian - Danian
Phyllocladidites mawsonii Cookson 1947 podocarp
Late Campanian - Danian
Podocarpidites spp. Cookson 1947 podocarp
Late Campanian - Danian
Polypodiopsida
  - Polypodiaceae
Trichotomosulcites subgranulatus Couper 1953
Late Campanian - Danian
Stellidiopollis annulatus
  -
Stellidiopollis annulatus Dettmann and Hedlund 1988
Late Campanian - Danian