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
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
Palambages spp. Wetzel 1961
Paralecaniella indentata Cookson and Eisenack 1970 | |
Dinophyceae | |
Spiniferites ramosa ramosa Mantell 1850 | |
"Palaeoperidinium sp." = Astrocysta
"Palaeoperidinium sp." = Astrocysta Davey 1970 | |
Chlamydophorella sp. Cookson and Eisenack 1958 | |
Hystrichosphaeridium tubiferum Deflandre 1837 | |
Tanyosphaeridium sp. Davey and Williams 1966 | |
unclassified | |
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Angiospermae | |
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Polypodiopsida | |
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