Where: Antarctica (63.9° S, 57.8° W: paleocoordinates 61.7° S, 68.4° W)
• outcrop-level geographic resolution
When: Marambio Group, Campanian (83.6 - 72.1 Ma)
Environment/lithology: lithified, fine-grained, medium, pebbly sandstone
Size class: microfossils
• Other: Palynomorphs
Preservation: soft parts, original sporopollenin
Reposited in the BMNH
Collection methods: bulk, chemical, hydrochloric, hydroflouric,
Primary reference: M. E. Dettmann and M. R. A. Thomson. 1987. Cretaceous palynomorphs from the James Ross Island area, Antarctica - A pilot Study. British Antarctic Survey Bulletin (77)13-59 [C. Jaramillo/P. Santamarina/P. Santamarina]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 153425: authorized by Carlos Jaramillo, entered by Patricio Santamarina on 16.12.2013
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Equisetopsida | |
Araucariacites australis Cookson 1947 | |
Nyssapollenites | |
Nyssapollenites spp. Thiergart 1937 | |
Lycopodiopsida | |
Retitriletes austroclavatidites Döring et al. 1963 clubmoss | |
Herkosporites elliottii Stover 1973 spikemoss | |
Densoisporites velatus Dettmann 1963 clubmoss | |
Pteridopsida | |
Ischyosporites volkheimeri Filatoff 1975
Osmundacidites spp. Couper 1953
Cyathidites australis Couper 1953 | |
Polypodiopsida | |
Gleicheniidites circinidites Dettmann 1963 | |
Polypodiisporites spp. Potonié 1931 | |
Cyatheacidites annulatus Cookson 1947
Cyatheacidites archangelskii Dettmann 1986
Trilites spp. Erdtman and Couper 1947
Trilites tuberculiformis Cookson 1947 | |
Trichotomosulcites subgranulatus Couper 1953 | |
Baculatisporites comaumensis Potonie 1953 | |
Biretisporites "sp. A" Delcourt et al. 1963 | |
Angiospermae | |
Nothofagidites senectus Dettmann and Playford 1968 | |
Tricolpites spp. Couper 1953
Tricolpites gilli Cookson 1957 | |
Triporopollenites "sp. A" Pflug and Thomson 1953 | |
Lygistepollenites balmei, Microcachryidites antarcticus, Phyllocladidites mawsonii, Podocarpidites ellipticus
Lygistepollenites balmei Stover and Evans 1973 podocarp
Microcachryidites antarcticus Couper 1953 podocarp
Phyllocladidites mawsonii Cookson 1947 podocarp
Podocarpidites ellipticus Cookson 1947 podocarp | |
Magnoliopsida | |
Periporopollenites "sp. A" Pflug and Thomson 1953 | |
Marchantiopsida | |
Triporoletes reticulatus Playford 1971 | |
unclassified | |
| |
Dinophyceae | |
Xenikoon australis Cookson and Eisenack 1960 | |
Chlamydophorella cf. discreta Clarke and Verdier 1967 | |
Heterosphaeridium heteracanthum Eisennack and Kjellström 1972 | |
Palaeohystrichophora infusorioides Deflandre 1936 | |
Spinidinium cf. lanterna Cookson and Eisenack 1970 | |
Nelsoniella aceras Cookson and Eisenack 1960 | |
Paralecaniella indentata Cookson and Eisenack 1970 | |
Maduradinum sp. Cookson and Eisenack 1970 |