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 | |
| |
Nyssapollenites | |
Nyssapollenites spp. Thiergart 1937 | |
Equisetopsida | |
Araucariacites australis Cookson 1947 | |
Angiospermae | |
Nothofagidites senectus Dettmann and Playford 1968 | |
Tricolpites spp. Couper 1953
Tricolpites gilli Cookson 1957 | |
Cranwellipollis subpalisadus, Cranwellipollis palisadus, Propylipollis "sp. A", Triporopollenites "sp. A", Proteacidites retiformis, Proteacidites subscabratus
Cranwellipollis subpalisadus Martin and Harris 1974
Cranwellipollis palisadus Couper 1953
Propylipollis "sp. A" Martin and Harris 1975
Triporopollenites "sp. A" Pflug and Thomson 1953
Proteacidites retiformis Couper 1960
Proteacidites subscabratus Couper 1960 | |
Clavatipollenites hughesii Kemp 1968 | |
Dicotyledoneae | |
Myrtaceidites eugeniioides Cookson and Pike 1954 | |
Podocarpidites ellipticus, Phyllocladidites mawsonii, Microcachryidites antarcticus, Lygistepollenites balmei, Lygistepollenites florinii
Podocarpidites ellipticus Cookson 1947 podocarp
Phyllocladidites mawsonii Cookson 1947 podocarp
Microcachryidites antarcticus Couper 1953 podocarp
Lygistepollenites balmei Stover and Evans 1973 podocarp
Lygistepollenites florinii Stover and Evans 1973 podocarp | |
Magnoliopsida | |
Tricolporites "sp. A" Cookson 1947
Periporopollenites "sp. A" Pflug and Thomson 1953 | |
Lycopodiopsida | |
Ceratosporites equalis Cookson and Dettmann 1958 clubmoss | |
Perotrilites laceratus Dettmann and Thomson 1987 spikemoss
Herkosporites elliottii Stover 1973 spikemoss | |
Densoisporites velatus Dettmann 1963 clubmoss | |
Retitriletes austroclavatidites Döring et al. 1963 clubmoss | |
Bryopsida | |
Stereisporites antiquasporites Dettmann 1963 | |
Pteridopsida | |
Polypodiaceoisporites elegans Archangelsky and Gamerro 1966
Cyathidites australis Couper 1953
Ischyosporites volkheimeri Filatoff 1975 | |
Polypodiopsida | |
Laevigatosporites ovatus Wilson and Webster 1946
Trichotomosulcites subgranulatus Couper 1953 | |
Rugulatisporites mallatus Stover 1973
Baculatisporites comaumensis Potonie 1953 | |
Trilites spp. Erdtman and Couper 1947
Trilites tuberculiformis Cookson 1947
Cyatheacidites annulatus Cookson 1947 | |
Gleicheniidites circinidites Dettmann 1963 | |
Polypodiisporites spp. Potonié 1931 | |
Ginkgoopsida | |
Vitreisporites pallidus Nilsson 1958 | |
| |
Dinophyceae | |
Xenikoon australis Cookson and Eisenack 1960 | |
Spinidinium cf. lanterna Cookson and Eisenack 1970 | |
Palaeohystrichophora infusorioides Deflandre 1936 | |
Pterodinium cingulatum, Oligosphaeridium pulcherrimum, Heterosphaeridium sp., Heterosphaeridium heteracanthum
Pterodinium cingulatum Below 1981
Oligosphaeridium pulcherrimum Davey and Williams 1966
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 |