Seymour Island S-11 (Cretaceous to of Antarctica)

Where: Seymour Island, Antarctica (64.3° S, 56.7° W: paleocoordinates 63.1° S, 66.6° W)

• coordinate estimated from map

When: Sobral? Formation, Maastrichtian to Maastrichtian (72.1 - 56.0 Ma)

• Probably the same unit from which Seymour Island marine inverts came from (from Ref. #145), six levels were sampled, approx 75m section sampled in total

• group of beds-level stratigraphic resolution

Environment/lithology: marine; silty sandstone and sandstone

• Interbedded silty sandstones and sandstones

Size class: microfossils

Collection methods: 75m of stratigraphic section represented

Primary reference: S. A. Hall. 1977. Cretaceous and Tertiary dinoflagellates from Seymour Island, Antarctica. Nature 267:239-241 [J. Alroy/E. Leckey/E. Leckey]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 31363: authorized by John Alroy, entered by Erin Leckey on 08.05.2003

Creative Commons license: CC BY (attribution)

Taxonomic list

 Dinoflagellata -
Palambages spp. Wetzel 1961
Paralecaniella indentata Cookson and Eisenack 1970
Dinophyceae
  -
 Peridiniales - Peridiniaceae
"Palaeoperidinium sp." = Astrocysta
"Palaeoperidinium sp." = Astrocysta Davey 1970
 Gonyaulacales -
Chlamydophorella sp. Cookson and Eisenack 1958
 Gonyaulacales - Goniodomaceae
 Gonyaulacales -
Tanyosphaeridium sp. Davey and Williams 1966
unclassified
  -
Plantae indet. Haeckel 1866
pollen and spores
Angiospermae
 Fagales - Nothofagaceae
Nothofagus sp. Blume 1850
pollen
Polypodiopsida
 Salviniales - Polypodiidae
Azolla sp. Lamarck 1783
"massula"