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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Granodiporites | |
Cycadopites | |
Cycadopites sp.1 Wodehouse 1933 | |
Cycadopsida | |
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Microcachryidites antarcticus1, Podocarpidites ostentatus1, Podocarpidites spp.1, Phyllocladidites mawsonii1, Phyllocladus "sp. 1"1, Phyllocladus "sp. 2"1, Lagarostrobos sp.1, Dacrycarpus mucronatus6, Dacrycarpites australiensis1, Podocarpus "sp. 1"1, Podocarpus "sp. 2"1, Lygistepollenites florinii1, Acmopyle glabra1, Dacrydium "sp. 1"1, Dacrydium "sp. 2"1, Podosporites sensu lato parvisaccites1, Podosporites microsaccatus1
Podocarpus "sp. 2"1 L'Heritier and Persoon 1807 podocarp Specimens examined. C-251, 274, 275, 342, 492.
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Papuacedrus australis n. sp.5 Hill and Carpenter 1989 cypress Specimens examined. C-225, 234, 259, 349
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Ptilophyllum muelleri8 Ettingshausen 1886 | |
Magnoliopsida | |
Malvacipollis duratus1, Malvacipollis subtilis1, Haloragacidites harrisii1, Tricolporites spp.1, Tricolporites cf. angurium1, Periporopollenites polyoratus1, Periporopollenites vesicus1, Periporopollenites demarcatus1
Malvacipollis subtilis1 Stover 1973
Haloragacidites harrisii1 Mildenhall and Harris 1971
Tricolporites spp.1 Cookson 1947
Periporopollenites vesicus1 Partridge 1973
Periporopollenites demarcatus1 Stover 1973 | |
Dicotyledoneae | |
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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Myrtaceidites parvus1 Cookson and Pike 1960
Myrtaceidites mesonesus1 Cookson and Pike 1954 | |
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Angiospermae | |
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Droseraceae indet.1 Salisbury 1808 | |
Tricolpites spp.1 Couper 1953
Tricolpites reticulatus1 Couper 1953 | |
Proteaceae "incertae sedis"1, Telopea truncata4, "Proteaciphyllum cethanicum n. sp." = Euproteaciphyllum cethanicum4, "Proteaciphyllum tridacnoides n. sp." = Euproteaciphyllum tridacnoides4, "Proteaciphyllum microphyllum n. sp." = Euproteaciphyllum integrifolium4, "Proteaciphyllum integrifolium n. sp." = Euproteaciphyllum integrifolium4, "Proteaciphyllum lomatioides n. sp." = Euproteaciphyllum lomatioides4, "Proteaciphyllum rugulatum n. sp." = Euproteaciphyllum rugulatum4, "Proteaciphyllum ornamentalis n. sp." = Euproteaciphyllum ornamentalis4, "Proteaciphyllum linearis n. sp." = Euproteaciphyllum linearis4, "Proteaciphyllum attenuatum n. sp." = Euproteaciphyllum attenuatum4, "Proteaciphyllum gevuininoides n. sp." = Euproteaciphyllum gevuininoides4, ? Grevillea "sp. 2"1, ? Grevillea "sp. 1"1, Proteacidites spp.1, Proteacidites reticulatus1, cf. Proteacidites pseudomoides1, Banksieaeformis "sp. 2"1, Lomatia "sp. 3"1, Lomatia fraxinifolia4, Lomatia xeromorpha n. sp.3, Banksieaephyllum "sp. 4"1, Banksieaephyllum "sp. 3"1, Banksieaephyllum orientalis n. sp.1, Banksieaephyllum linearis n. sp.4
Proteaceae "incertae sedis"1 de Jussieu 1789
"Proteaciphyllum cethanicum n. sp." = Euproteaciphyllum cethanicum4 Jordan et al. 1998
"Proteaciphyllum tridacnoides n. sp." = Euproteaciphyllum tridacnoides4 Jordan et al. 1998 in Carpenter, 1991 Lomatia sp. 4
"Proteaciphyllum microphyllum n. sp." = Euproteaciphyllum integrifolium4 Jordan et al. 1998
"Proteaciphyllum integrifolium n. sp." = Euproteaciphyllum integrifolium4 Jordan et al. 1998
"Proteaciphyllum lomatioides n. sp." = Euproteaciphyllum lomatioides4 Jordan et al. 1998 in Carpenter, 1991 Lomatia sp. 3
"Proteaciphyllum rugulatum n. sp." = Euproteaciphyllum rugulatum4 Jordan et al. 1998
"Proteaciphyllum ornamentalis n. sp." = Euproteaciphyllum ornamentalis4 Jordan et al. 1998
"Proteaciphyllum linearis n. sp." = Euproteaciphyllum linearis4 Jordan et al. 1998
"Proteaciphyllum attenuatum n. sp." = Euproteaciphyllum attenuatum4 Jordan et al. 1998
"Proteaciphyllum gevuininoides n. sp." = Euproteaciphyllum gevuininoides4 Jordan et al. 1998
Proteacidites spp.1 Cookson and Couper 1953
cf. Proteacidites pseudomoides1 Stover 1973
Lomatia xeromorpha n. sp.3 Carpenter and Hill 1988
Banksieaephyllum orientalis n. sp.1 Carpenter and Jordan 1997 in Carpenter, 1991 Banksieaephyllum sp. 1
Banksieaephyllum linearis n. sp.4 Carpenter and Jordan 1997 | |
Polypodiidites sp.1 Potonié 1966 | |
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Liliacidites sp.1 Couper 1953 | |
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Acsmithia grandiflora n. sp.2, Weinmanniaphyllum bernardii n. gen. n. sp.2, Vesselowskya aff. ruinfolia2, Callicoma serratifolia2, Schizomeria tasmaniensis n. sp.2
Acsmithia grandiflora n. sp.2 Carpenter and Buchanan 1993
Weinmanniaphyllum bernardii n. gen. n. sp.2 Carpenter and Buchanan 1993
Callicoma serratifolia2 Andrews 1809
Schizomeria tasmaniensis n. sp.2 Carpenter and Buchanan 1993 | |
Nothofagidites deminutus1, Nothofagidites spp.1, Nothofagidites goniatus1, Nothofagidites flemingii1, Nothofagidites asperus1, Nothofagidites cf. brachyspinulosus1, Nothofagidites falcatus1
Nothofagidites flemingii1 Potonie 1960
Nothofagidites asperus1 Cookson 1958
Nothofagidites cf. brachyspinulosus1 Harris 1965
Nothofagidites falcatus1 Hekel 1972 | |
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Nothofagus gunnii Oersted 1873
Nothofagus cethanica n. sp. Hill 1984 | |
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Bryopsida | |
Stereisporites sp.1 Pflug 1953 | |
Lycopodiopsida | |
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Lycopsida | |
Foveotriletes palaequetrus1 Partridge 1973 | |
Polypodiopsida | |
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Dictyophyllidites arcuatus1 Pocknall and Mildenhall 1984 | |
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Trilites tuberculiformis1 Cookson 1947
Cyatheacidites annulatus1 Cookson 1947 | |
Peromonolites vellosus1 Partridge 1973 | |
Laevigatosporites ovatus1 Wilson and Webster 1946 | |
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Pteridopsida | |
Cyathidites australis1, Cyathidites paleospora1, Cyathidites minor1, Matonisporites ornamentalis1, cf. Ischyosporites irregularis1
Cyathidites australis1 Couper 1953
Cyathidites paleospora1 Alley and Broadbridge 1992
Cyathidites minor1 Couper 1953
Matonisporites ornamentalis1 Partridge 1973
cf. Ischyosporites irregularis1 Sah and Jain 1965 | |
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Equisetopsida | |
Agathis "sp. 3"1, Agathis "sp. 2"1, Agathis "sp. 1"1, Agathis sp.1, Agathis spp.7, Agathis brevigongylodes7, Agathis vittatus7, Araucariacites australis1, Araucaria "sp. 1"1
Agathis brevigongylodes7 Hill et al. 2008
Agathis vittatus7 Hill et al. 2008
Araucariacites australis1 Cookson 1947 | |
Hymenophyllum | |
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