Where: Tasmania, Australia (41.5° S, 146.1° E: paleocoordinates 58.3° S, 145.6° E)
• coordinate stated in text
When: Proteacidites tuberculatus pollen zone, Early/Lower Oligocene (33.9 - 28.4 Ma)
• According to Macphail (pers. comm.) the age of the flora is between Early Eocene and uppermost Oligocene (Hill, 1984).
•Further palynological assessment suggests that the flora is likely to be in the Late Eocene to Oligocene range based on the high proportion of Nothofagus brassii-type and Phyllocladidites mawsonii pollen (Carpenter & Hill, 1988).
•The palynoflora has been assigned to the early Oligocene by Macphail et al. 1994. The presence of Cyatheacidites annulatus provides a confident Proteacidites tuberculatus Zone (Stover and Partridge 1973) maximum age, but the upper age limits are less certain owing to possible diachronism in the times of extinction of accessory species such as Beaupreadites verrucosus, Granodiporites nebulosus and Triporopollenites ambiguus. (Hill et al. 2008)
Environment/lithology: lagoonal; tabular, brown, gray, yellow siltstone and quartzose sandstone
•The Cethana deposit had an Early Oligocene altitude of about 300 m. It formed at a time for which there is evidence of regional glacial activity (Macphail et al. 1993), in Carpenter & Jordan, 1997.
Size classes: macrofossils, microfossils
Preservation: mold/impression, adpression
Collection methods: chemical, hydroflouric
Primary reference: R. S. Hill. 1984. Tertiary Nothofagus macrofossils from Cethana, Tasmania. Alcheringa 8(1):81-86 [C. Jaramillo/A. Cardenas ]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 166832: authorized by Carlos Jaramillo, entered by Andrés Cárdenas on 28.02.2015, edited by Carlos Jaramillo
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
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Lycopsida | |
Foveotriletes palaequetrus1 Partridge 1973 | |
Polypodiopsida | |
Laevigatosporites ovatus1 Wilson and Webster 1946 | |
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Peromonolites vellosus1 Partridge 1973 | |
Dictyophyllidites arcuatus1 Pocknall and Mildenhall 1984 | |
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Trilites tuberculiformis1 Cookson 1947
Cyatheacidites annulatus1 Cookson 1947 | |
Pteridopsida | |
Cyathidites australis1 Couper 1953
Cyathidites paleospora1 Alley and Broadbridge 1992
Cyathidites minor1 Couper 1953 | |
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Matonisporites ornamentalis1 Partridge 1973
cf. Ischyosporites irregularis1 Sah and Jain 1965 | |
Granodiporites | |
Bryopsida | |
Stereisporites sp.1 Pflug 1953 | |
Angiospermae | |
Liliacidites sp.1 Couper 1953 | |
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Droseraceae indet.1 Salisbury 1808 | |
Tricolpites spp.1 Couper 1953
Tricolpites reticulatus1 Couper 1953 | |
Proteaceae "incertae sedis"1, Telopea truncata4, ? Grevillea "sp. 2"1, ? Grevillea "sp. 1"1, Banksieaeformis "sp. 2"1, Banksieaephyllum "sp. 4"1, Banksieaephyllum "sp. 3"1, Banksieaephyllum linearis n. sp.4, Banksieaephyllum orientalis n. sp.1, Proteacidites spp.1, Proteacidites reticulatus1, cf. Proteacidites pseudomoides1, Lomatia "sp. 3"1, Lomatia fraxinifolia4, Lomatia xeromorpha n. sp.3, "Proteaciphyllum ornamentalis n. sp." = Euproteaciphyllum ornamentalis4, "Proteaciphyllum tridacnoides n. sp." = Euproteaciphyllum tridacnoides4, "Proteaciphyllum cethanicum n. sp." = Euproteaciphyllum cethanicum4, "Proteaciphyllum gevuininoides n. sp." = Euproteaciphyllum gevuininoides4, "Proteaciphyllum integrifolium n. sp." = Euproteaciphyllum integrifolium4, "Proteaciphyllum microphyllum n. sp." = Euproteaciphyllum integrifolium4, "Proteaciphyllum attenuatum n. sp." = Euproteaciphyllum attenuatum4, "Proteaciphyllum lomatioides n. sp." = Euproteaciphyllum lomatioides4, "Proteaciphyllum linearis n. sp." = Euproteaciphyllum linearis4, "Proteaciphyllum rugulatum n. sp." = Euproteaciphyllum rugulatum4
Proteaceae "incertae sedis"1 de Jussieu 1789
Banksieaephyllum linearis n. sp.4 Carpenter and Jordan 1997
Banksieaephyllum orientalis n. sp.1 Carpenter and Jordan 1997 in Carpenter, 1991 Banksieaephyllum sp. 1
Proteacidites spp.1 Cookson and Couper 1953
cf. Proteacidites pseudomoides1 Stover 1973
Lomatia xeromorpha n. sp.3 Carpenter and Hill 1988
"Proteaciphyllum ornamentalis n. sp." = Euproteaciphyllum ornamentalis4 Jordan et al. 1998
"Proteaciphyllum tridacnoides n. sp." = Euproteaciphyllum tridacnoides4 Jordan et al. 1998 in Carpenter, 1991 Lomatia sp. 4
"Proteaciphyllum cethanicum n. sp." = Euproteaciphyllum cethanicum4 Jordan et al. 1998
"Proteaciphyllum gevuininoides n. sp." = Euproteaciphyllum gevuininoides4 Jordan et al. 1998
"Proteaciphyllum integrifolium n. sp." = Euproteaciphyllum integrifolium4 Jordan et al. 1998
"Proteaciphyllum microphyllum n. sp." = Euproteaciphyllum integrifolium4 Jordan et al. 1998
"Proteaciphyllum attenuatum n. sp." = Euproteaciphyllum attenuatum4 Jordan et al. 1998
"Proteaciphyllum lomatioides n. sp." = Euproteaciphyllum lomatioides4 Jordan et al. 1998 in Carpenter, 1991 Lomatia sp. 3
"Proteaciphyllum linearis n. sp." = Euproteaciphyllum linearis4 Jordan et al. 1998
"Proteaciphyllum rugulatum n. sp." = Euproteaciphyllum rugulatum4 Jordan et al. 1998 | |
Polypodiidites sp.1 Potonié 1966 | |
Vesselowskya aff. ruinfolia2, Weinmanniaphyllum bernardii n. gen. n. sp.2, Schizomeria tasmaniensis n. sp.2, Callicoma serratifolia2, Acsmithia grandiflora n. sp.2
Weinmanniaphyllum bernardii n. gen. n. sp.2 Carpenter and Buchanan 1993
Schizomeria tasmaniensis n. sp.2 Carpenter and Buchanan 1993
Callicoma serratifolia2 Andrews 1809
Acsmithia grandiflora n. sp.2 Carpenter and Buchanan 1993 | |
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Nothofagidites deminutus1, Nothofagidites spp.1, Nothofagidites goniatus1, Nothofagidites cf. brachyspinulosus1, Nothofagidites asperus1, Nothofagidites flemingii1, Nothofagidites falcatus1
Nothofagidites cf. brachyspinulosus1 Harris 1965
Nothofagidites asperus1 Cookson 1958
Nothofagidites flemingii1 Potonie 1960
Nothofagidites falcatus1 Hekel 1972 | |
Nothofagus cethanica n. sp. Hill 1984
Nothofagus gunnii Oersted 1873 | |
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Dicotyledoneae | |
Myrtaceidites parvus1 Cookson and Pike 1960
Myrtaceidites mesonesus1 Cookson and Pike 1954 | |
Myrtaceae indet.1 de Jussieu 1789 myrtle Specimens examined. C-023, 029, 214, 306, 324, 350, 386, 393, 624, 716, 717, 718 and several others.
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Magnoliopsida | |
Haloragacidites harrisii1, Malvacipollis duratus1, Malvacipollis subtilis1, Tricolporites spp.1, Tricolporites cf. angurium1, Periporopollenites polyoratus1, Periporopollenites vesicus1, Periporopollenites demarcatus1
Haloragacidites harrisii1 Mildenhall and Harris 1971
Malvacipollis subtilis1 Stover 1973
Tricolporites spp.1 Cookson 1947
Periporopollenites vesicus1 Partridge 1973
Periporopollenites demarcatus1 Stover 1973 | |
Ptilophyllum muelleri8 Ettingshausen 1886 | |
Papuacedrus australis n. sp.5 Hill and Carpenter 1989 cypress Specimens examined. C-225, 234, 259, 349
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Podosporites sensu lato parvisaccites1, Podosporites microsaccatus1, Acmopyle glabra1, Dacrycarpites australiensis1, Lagarostrobos sp.1, Dacrydium "sp. 1"1, Dacrydium "sp. 2"1, Phyllocladidites mawsonii1, Dacrycarpus mucronatus6, Podocarpidites ostentatus1, Podocarpidites spp.1, Podocarpus "sp. 1"1, Podocarpus "sp. 2"1, Microcachryidites antarcticus1, Lygistepollenites florinii1, Phyllocladus "sp. 1"1, Phyllocladus "sp. 2"1
Podocarpus "sp. 2"1 L'Heritier and Persoon 1807 podocarp Specimens examined. C-251, 274, 275, 342, 492.
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Equisetopsida | |
Agathis "sp. 3"1, Agathis "sp. 2"1, Agathis "sp. 1"1, Agathis sp.1, Agathis spp.7, Agathis vittatus7, Agathis brevigongylodes7, Araucariacites australis1, Araucaria "sp. 1"1
Agathis vittatus7 Hill et al. 2008
Agathis brevigongylodes7 Hill et al. 2008
Araucariacites australis1 Cookson 1947 | |
Cycadopsida | |
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Cycadopites | |
Cycadopites sp.1 Wodehouse 1933 | |
Lycopodiopsida | |
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Hymenophyllum | |
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