Where: Tierra del Fuego, Argentina (52.9° S, 68.4° W)
• Paleocoordinates: 52.3° S, 65.8° W (Wright 2013)
• coordinate estimated from map
• local area-level geographic resolution
When: Cullen Formation, Late/Upper Oligocene to Late/Upper Oligocene (28.4 - 11.6 Ma)
• Recientemente, un detallado estudio bioestratigráfico, resultado tanto del análisis de asociaciones palinológicas como de biocrones de especies indicadoras, y una datación isotópica preliminar, han indicado una edad probable de Oligoceno tardio a Mioceno medio (Zamaloa, 1999).
•
•Se levantaron tres perfiles palinológicos: uno en el acantilado próximo al Hito I; otro en la desembocadura del Cañadón Beta, localidad tipo de la formación; y otro en el extremo austral del afloramiento, en Cañadón Tapera Sur.
• formation-level stratigraphic resolution
Environment/lithology: estuary or bay; lithified, paleosol/pedogenic, argillaceous, silty claystone
Size class: microfossils
• Spores and Pollen
Preservation: original sporopollenin
Collection methods: chemical, hydrochloric, hydroflouric,
• Los preparados palinológicos se encuentran depositados en la Coiección Palino1ógica Departamento de Ciencias Biológicas, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, bajo la siglas BAFCB p.m.
Primary reference: M. C. Zamaloa. 2000. Palinoflora y ambiente en el Terciario del nordeste de Tierra del Fuego, Argentina. Revista del Museo Argentino de Ciencias Naturales (2)43-51 [C. Jaramillo/C. Jaramillo/C. Jaramillo]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 169381: authorized by Carlos Jaramillo, entered by Carlos Jaramillo on 22.05.2015
Creative Commons license: CC0 (CC0)
Taxonomic list
unclassified | |
Chlorophyceae | |
Pediastrum spp. Meyen 1829 | |
Anthocerotopsida | |
Anthoceros spp. Linnaeus | |
Angiospermae | |
Pseudowinterapollis couperi Mildenhall 1979 magnoliids | |
Dicotyledoneae | |
Corsinipollenites sp. Nakoman 1965 willowherb
Crassiorites australis Zamaloa and Romero 1990 willowherb | |
Myrtaceidites "sp. A" Cookson and Pike 1960
Myrtaceidites "sp. B" Cookson and Pike 1960
Myrtaceidites aff. verrucosus Partridge 1973 | |
Ericipites microtectatum heather | |
Angiospermae | |
Cupanieidites reticularis Cookson and Pike 1954 soapberry
Striasyncolpites laxus Mildenhall and Pocknall 1989 soapberry | |
Nothofagidites "Tipo Dombeyi", Nothofagidites fuegiensis, Nothofagidites saraensis, Nothofagidites tehuelchesii, Nothofagidites waipawaensis, Nothofagidites dorotensis, Nothofagidites flemingii, Nothofagidites americanus
Nothofagidites "Tipo Dombeyi" Potonié 1960
Nothofagidites fuegiensis Menéndez and Caccavari 1975
Nothofagidites saraensis Menendez and Caccavari 1975
Nothofagidites tehuelchesii Zamaloa and Barreda 1992
Nothofagidites waipawaensis Romero 1973
Nothofagidites dorotensis Romero 1973
Nothofagidites flemingii Potonie 1960
Nothofagidites americanus Zamaloa 1992 | |
aff. Maytenus spp. Molina 1782 bittersweet | |
Acaena spp. Mutis and Linneaus 1771 rose | |
Ranunculaceae indet. Jussieu 1789 buttercup | |
aff. Berberis sp. Linnaeus 1753 barberry | |
Proteacidites "sp. A" Cookson and Couper 1953
Proteacidites pseudomoides Stover 1973 | |
Chenopodipollis sp. Krutzsch 1966
Chenopodipollis chenopodiaceoides Truswell 1985 | |
Apiaceae sp. Lindley 1836 | |
Tubulifloridites sp. Potonie 1960 daisy | |
Palaeocoprosmadites sp. Ramanujam 1966 coffee | |
Tuberculatosporites parvus Archangelsky 1972 | |
Graminidites spp. Potonie 1960 bamboo | |
Liliacidites variegatus Couper 1953 | |
Magnoliopsida | |
Haloragacidites myriophylloides, Striatopollis sp., Tricolporites "sp. A", Tricolporites "sp. B", Tricolporites "sp. C", Malvacipollis argenlina
Striatopollis sp. Krutzsch 1959
Tricolporites "sp. A" Cookson 1947
Tricolporites "sp. B" Cookson 1947
Tricolporites "sp. C" Cookson 1947 | |
Dacrycarpites australiensis, Podocarpidites marwikii, Podocarpidites sp., Podocarpidites microreticuloidata, Podocarpidites rugulosus, Lygistepollenites florinii, Phyllocladidites sp., Phyllocladidites mawsonii
Dacrycarpites australiensis Cookson and Pike 1953 podocarp
Podocarpidites marwikii podocarp
Podocarpidites sp. Cookson 1947 podocarp
Podocarpidites microreticuloidata Cookson 1947 podocarp
Podocarpidites rugulosus Romero 1977 podocarp
Lygistepollenites florinii Stover and Evans 1973 podocarp
Phyllocladidites sp. Cookson 1947 podocarp
Phyllocladidites mawsonii Cookson 1947 podocarp | |
Equisetopsida | |
Araucariacites australis Cookson 1947 | |
Polypodiopsida | |
Baculatisporites turbioensis Archangelsky 1972
Baculatisporites comaumensis Potonie 1953 | |
Cyatheacidites annulatus Cookson 1947 | |
Laevigatosporites ovatus Wilson and Webster 1946
Trichotomosulcites subgranulatus Couper 1953 | |
Pteridopsida | |
Cyathidites minor Couper 1953 | |
aff. Botrychium sp. Swartz 1800 | |
Granodiporites | |
Algae | |
Botryococcus braunii Kutzing 1849 | |
Lycopodiopsida | |
Lycopodiumsporites spp. Delcourt and Sprumont 1955 clubmoss
Lycopodiumsporites eminulus Dettmann 1963 clubmoss | |
Isoetes aff. savatieri quillwort | |
Coptospora | |
Coptospora sp. Dettmann 1963 | |
Cingutriletes | |
Cingutriletes australis Archangelsky 1972 | |
Reboulisporites fuegiensis | |
Reboulisporites fuegiensis Zamaloa and Romero 1990 | |
Cyperaceaepollis neogenicus | |
Cyperaceaepollis neogenicus Krutzsch 1970 | |
Mutisiapollis | |
Glencopollis ornatus | |
Glencopollis ornatus Pocknall and Mildenhall 1984 | |
Tetracolporopollenites | |