Where: Antarctica (63.9° S, 57.8° W: paleocoordinates 68.7° S, 52.7° W)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Marambio Group, Cenomanian (100.5 - 93.9 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 153426: authorized by Carlos Jaramillo, entered by Patricio Santamarina on 16.12.2013
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Lycopodiopsida | |
Retitriletes austroclavatidites Döring et al. 1963 clubmoss | |
Densoisporites velatus Dettmann 1963 clubmoss | |
Herkosporites elliottii Stover 1973 spikemoss
Perotrilites laceratus Dettmann and Thomson 1987 spikemoss | |
Ceratosporites equalis Cookson and Dettmann 1958 clubmoss | |
Ginkgoopsida | |
Vitreisporites pallidus Nilsson 1958 | |
Pteridopsida | |
Polypodiaceoisporites elegans Archangelsky and Gamerro 1966
Ischyosporites volkheimeri Filatoff 1975
Cyathidites australis Couper 1953 | |
Polypodiopsida | |
Gleicheniidites circinidites Dettmann 1963 | |
Trichotomosulcites subgranulatus Couper 1953
Laevigatosporites ovatus Wilson and Webster 1946 | |
Trilites spp. Erdtman and Couper 1947
Trilites tuberculiformis Cookson 1947
Cyatheacidites annulatus Cookson 1947 | |
Baculatisporites comaumensis Potonie 1953
Rugulatisporites mallatus Stover 1973 | |
Polypodiisporites spp. Potonié 1931 | |
Microcachryidites antarcticus, Phyllocladidites mawsonii, Podocarpidites ellipticus, Lygistepollenites florinii, Lygistepollenites balmei
Microcachryidites antarcticus Couper 1953 podocarp
Phyllocladidites mawsonii Cookson 1947 podocarp
Podocarpidites ellipticus Cookson 1947 podocarp
Lygistepollenites florinii Stover and Evans 1973 podocarp
Lygistepollenites balmei Stover and Evans 1973 podocarp | |
Magnoliopsida | |
Tricolporites "sp. A" Cookson 1947
Periporopollenites "sp. A" Pflug and Thomson 1953 | |
Angiospermae | |
Nothofagidites senectus Dettmann and Playford 1968 | |
Dicotyledoneae | |
Myrtaceidites eugeniioides Cookson and Pike 1954 | |
Angiospermae | |
Tricolpites spp. Couper 1953
Tricolpites gilli Cookson 1957 | |
Triporopollenites "sp. A", Cranwellipollis palisadus, Cranwellipollis subpalisadus, Proteacidites subscabratus, Proteacidites retiformis, Propylipollis "sp. A"
Triporopollenites "sp. A" Pflug and Thomson 1953
Cranwellipollis palisadus Couper 1953
Cranwellipollis subpalisadus Martin and Harris 1974
Proteacidites subscabratus Couper 1960
Proteacidites retiformis Couper 1960
Propylipollis "sp. A" Martin and Harris 1975 | |
Clavatipollenites hughesii Kemp 1968 | |
Bryopsida | |
Stereisporites antiquasporites Dettmann 1963 | |
Equisetopsida | |
Araucariacites australis Cookson 1947 | |
Nyssapollenites | |
Nyssapollenites spp. Thiergart 1937 | |
unclassified | |
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Dinophyceae | |
Xenikoon australis Cookson and Eisenack 1960 | |
Palaeohystrichophora infusorioides Deflandre 1936 | |
Spinidinium cf. lanterna Cookson and Eisenack 1970 | |
Oligosphaeridium pulcherrimum, Pterodinium cingulatum, Heterosphaeridium sp., Heterosphaeridium heteracanthum
Oligosphaeridium pulcherrimum Davey and Williams 1966
Pterodinium cingulatum Below 1981
Heterosphaeridium sp. Cookson and Eisenack 1969
Heterosphaeridium heteracanthum Eisennack and Kjellström 1972 | |
Chlamydophorella cf. discreta Clarke and Verdier 1967 | |
Odontochitina "sp. A" Deflandre 1935 | |
Nelsoniella tuberculata Cookson and Eisenack 1960 | |
Maduradinum | |
Maduradinum sp. Cookson and Eisenack 1970 | |
Maduradinum pentagonum | |
Maduradinum pentagonum Cookson and Eisenack 1970 |