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