Southern Seymour island (Cretaceous to of Antarctica)

Where: Antarctica (64.3° S, 56.9° W: paleocoordinates 62.3° S, 67.7° W)

• coordinate estimated from map

• local area-level geographic resolution

When: T. lilliei and T. longus zones pollen zone, López de Bertodano Formation, Late/Upper Campanian to Late/Upper Campanian (83.5 - 61.6 Ma)

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

•The lower and upper parts of the Seymour Island late Campanian to Maastrichtian succession (units 1-9 of López de Bertodano Formation) correspond respectively to the T. lilliei and T. longus Zones of southeastern Australia (Stover and Evans, 1973; Helby et al., 1987). Both parts correlate with the PM2 Zone of South Island, New Zealand (Raine, 1984).

• formation-level stratigraphic resolution

Environment/lithology: marginal marine; poorly lithified, gray, silty, sandy siltstone and lithified, muddy mudstone

• Most of this succession was deposited in low energy, nearshore marine paleoenvironments. A regression, beginning near the end of the Cretaceous, changed shallow shelf conditions in most of the López de Bertodano Formation to inshore/estuarine depositional environments in the basal Danian beds (member/"unit" 10 of López de Bertodano Formation).
• The Formation consists predominantly of poorly consolidated, grey sandy silts with mud-rich units in the lower part, some fine-grained, often calcareous sandstone beds throughout the section, and glauconite beds in the uppermost part.

Size class: microfossils

• Other: Palynomorphs

Preservation: original sporopollenin

Collection methods: bulk, chemical, hydrochloric, hydroflouric,

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 168697: authorized by Carlos Jaramillo, entered by Carlos Jaramillo on 27.04.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Polypodiopsida
  - Polypodiaceae
Trichotomosulcites subgranulatus Couper 1953
Late Campanian - Danian
Angiospermae
 Mesangiosperms - Liliaceae
Liliacidites spp. Couper 1953
Maastrichtian - Danian
Liliacidites cf. kaitangataensis Couper 1953
Late Campanian - Danian
 Santalales -
Anacolosidites sectus
Latest Maastrichtian
 Aquifoliales - Aquifoliaceae
Ilexpollenites sp. Thiergart 1937
Late Campanian - Danian
 Asterales - Asteraceae
Tubulifloridites lilliei Farabee and Canright 1986 daisy
Late Campanian - Maastrichtian
 Gunnerales -
Tricolpites spp. Couper 1953
Tricolpites striatus
Late Maastrichtian
Tricolpites reticulatus Couper 1953
Late Campanian - Danian
 Proteales - Proteaceae
Propylipollis spp. Martin and Harris 1975
Late Campanian - Danian
Beaupreaidites verrucosus
Latest Maastrichtian
Beaupreaidites elegansiformis Cookson 1950
Latest Maastrichtian
Proteacidites spp. Cookson and Couper 1953
Late Campanian - Danian
Echitriporites spp. Van der Hammen 1956
Late Campanian - Danian
"Echitriporites" sp. Van der Hammen 1956
Triporopollenites sectilis
Late Campanian - Late Maastrichtian
Triporopollenites spp. Pflug and Thomson 1953
Cranwellipollis subpalisadus Martin and Harris 1974
Maastrichtian - early Danian
Cranwellipollis palisadus Couper 1953
Late Campanian - Maastrichtian
 Proteales -
Peninsulapollis gillii Dettmann and Jarzen 1988
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
 Malvales - Bombacaceae
Bombacacidites bombaxoides
Late Maastrichtian
Bombacacidites sp. Couper 1960
Late Maastrichtian
 Sapindales - Sapindaceae
Cupanieidites orthoteichus soapberry
Late Maastrichtian
Dicotyledoneae
 Myrtales -
Myrtaceidites spp. Cookson and Pike 1960
Late Campanian - Danian
Magnoliopsida
  -
Gambierina rudata
Late Campanian - Late Maastrichtian
Polycolpites langstonii Stover 1973
Late Campanian - Danian
Tetracolporites verrucosus
Late Campanian - Maastrichtian
Rhoipites cf. microreticulatus
Latest Maastrichtian - Danian
Rhoipites spp. Wodehouse 1933
Maastrichtian - Danian
Tricolporites pachyexinus
Late Campanian - early Danian
Tricolporites spp. Cookson 1947
Quadraplanus brossus Stover and Partridge 1973
Forcipites sabulosus Dettmann and Jarzen 1988
Late Campanian - early Danian
Forcipites cf. longus Dettmann and Jarzen 1988
early Maastrichtian
 Coniferales - Podocarpaceae
Podosporites spp. Rao 1943 podocarp
Late Campanian - Danian
Dacrycarpites australiensis Cookson and Pike 1953 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
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
Equisetopsida
 Pinidae - Pinidae
Araucariacites australis Cookson 1947
Late Campanian - Danian
 Anthophyta -
Cranwellia striata
Late Campanian - Late Maastrichtian
Cranwellia sp. Srivastava 1966
Late Maastrichtian
Cycadopites
  -
Cycadopites spp. Wodehouse 1933
Late Campanian - Danian
Ginkgoopsida
 Ephedrales - Ephedraceae
Ephedra notensis jointfir
Late Maastrichtian - Danian
Stellidiopollis annulatus
  -
Stellidiopollis annulatus Dettmann and Hedlund 1988
Late Campanian - Danian