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 | |
| Bryopsida | |
|
Stereisporites antiquasporites Dettmann 1963 | |
| Pteridopsida | |
|
Polypodiaceoisporites elegans Archangelsky and Gamerro 1966
Ischyosporites volkheimeri Filatoff 1975
Cyathidites australis Couper 1953 | |
| Polypodiopsida | |
|
Rugulatisporites mallatus Stover 1973
Baculatisporites comaumensis Potonie 1953 | |
|
Polypodiisporites spp. Potonié 1931 | |
|
Trilites spp. Erdtman and Couper 1947
Trilites tuberculiformis Cookson 1947
Cyatheacidites annulatus Cookson 1947 | |
|
Trichotomosulcites subgranulatus Couper 1953
Laevigatosporites ovatus Wilson and Webster 1946 | |
|
Gleicheniidites circinidites Dettmann 1963 | |
Podocarpidites ellipticus, Lygistepollenites balmei, Lygistepollenites florinii, Phyllocladidites mawsonii, Microcachryidites antarcticus
Podocarpidites ellipticus Cookson 1947 podocarp
Lygistepollenites balmei Stover and Evans 1973 podocarp
Lygistepollenites florinii Stover and Evans 1973 podocarp
Phyllocladidites mawsonii Cookson 1947 podocarp
Microcachryidites antarcticus Couper 1953 podocarp | |
| Magnoliopsida | |
|
Periporopollenites "sp. A" Pflug and Thomson 1953
Tricolporites "sp. A" Cookson 1947 | |
| Dicotyledoneae | |
|
Myrtaceidites eugeniioides Cookson and Pike 1954 | |
| Angiospermae | |
|
Nothofagidites senectus Dettmann and Playford 1968 | |
Proteacidites retiformis, Proteacidites subscabratus, Propylipollis "sp. A", Triporopollenites "sp. A", Cranwellipollis palisadus, Cranwellipollis subpalisadus
Proteacidites retiformis Couper 1960
Proteacidites subscabratus Couper 1960
Propylipollis "sp. A" Martin and Harris 1975
Triporopollenites "sp. A" Pflug and Thomson 1953
Cranwellipollis palisadus Couper 1953
Cranwellipollis subpalisadus Martin and Harris 1974 | |
|
Tricolpites spp. Couper 1953
Tricolpites gilli Cookson 1957 | |
|
Clavatipollenites hughesii Kemp 1968 | |
| Lycopodiopsida | |
|
Densoisporites velatus Dettmann 1963 clubmoss | |
|
Perotrilites laceratus Dettmann and Thomson 1987 spikemoss
Herkosporites elliottii Stover 1973 spikemoss | |
|
Ceratosporites equalis Cookson and Dettmann 1958 clubmoss | |
|
Retitriletes austroclavatidites Döring et al. 1963 clubmoss | |
| Ginkgoopsida | |
|
Vitreisporites pallidus Nilsson 1958 | |
| unclassified | |
|
| |
|
| |
| Dinophyceae | |
|
Chlamydophorella cf. discreta Clarke and Verdier 1967 | |
|
Odontochitina "sp. A" Deflandre 1935 | |
Oligosphaeridium pulcherrimum, Heterosphaeridium sp., Heterosphaeridium heteracanthum, Pterodinium cingulatum
Oligosphaeridium pulcherrimum Davey and Williams 1966
Heterosphaeridium sp. Cookson and Eisenack 1969
Heterosphaeridium heteracanthum Eisennack and Kjellström 1972
Pterodinium cingulatum Below 1981 | |
|
Xenikoon australis Cookson and Eisenack 1960
Nelsoniella tuberculata Cookson and Eisenack 1960 | |
|
Palaeohystrichophora infusorioides Deflandre 1936 | |
|
Spinidinium cf. lanterna Cookson and Eisenack 1970 | |
|
Araucariacites australis Cookson 1947 | |
| Maduradinum | |
|
Maduradinum sp. Cookson and Eisenack 1970 | |
| Maduradinum pentagonum | |
|
Maduradinum pentagonum Cookson and Eisenack 1970 | |