Lowana Road - Macquarie Harbour (Eocene of Australia)

Where: Tasmania, Australia (42.2° S, 145.4° E: paleocoordinates 64.1° S, 152.6° E)

• coordinate stated in text

When: Upper Malvacipollis diversus pollen zone, Macquarie Harbor Formation, Early/Lower Eocene (55.8 - 48.6 Ma)

• Both spore-pollen and marine dinoflagellate assemblages from these beds are correlative with the mid- Ypresian or Planktonic Foraminiferal Zone P7 (Carpenter et al., 2007 ) (early Eocene; 52 – 51 Ma).

Environment/lithology: estuary or bay; carbonaceous mudstone

• The sediments were deposited in a quietwater estuarine setting with tidal influence (Carpenter, 2007).
• carbonaceous estuarine mudstones in the upper part of the Macquarie Harbor Formation (Mcloughlin et al., 2008).

Size class: macrofossils

Preservation: mold/impression, adpression

Collection methods: chemical, hydroflouric

• The specimen was recovered from a new site on Lowana Road, Regatta Point, as part of a collection of fossil material made by G. J. Jordan in 2003.

Primary reference: R. J. Carpenter, G. J. Jordan, and R. S. Hill. 2007. A Toothed Lauraceae Leaf from the Early Eocene of Tasmania, Australia. International Journal of Plant Sciences 168(8):1191-1198 [C. Jaramillo/C. Jaramillo]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 166741: authorized by Carlos Jaramillo, entered by Andrés Cárdenas on 24.02.2015, edited by Carlos Jaramillo

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Bryopsida
  -
Lycopodiopsida
 Lycopodiales - Lycopodiaceae
Gymnospermopsida
 Corystospermales - Corystospermaceae
Komlopteris cenozoicus n. sp.3 McLoughlin et al. 2008
Equisetopsida
 Pinidae - Pinidae
Araucaria sp.1 de Jussieu 1789
section Eutacta
Araucarioides linearis1 Bigwood and Hill 1985
Dilwynites granulatus1 Harris 1965
Cycadopsida
 Cycadales - Zamiaceae
Bowenia sp.1 Hooker and Hooker 1863 cycads
Ginkgoopsida
 Ephedrales -
Ephedripites notensis1 Cookson 1957
 Caytoniales -
Striatocolporites
  -
Magnoliopsida
  -
Dicotyledoneae
 Myrtales - Myrtaceae
Myrtaceae sp.1 de Jussieu 1789 myrtle
 Myrtales -
Angiospermae
 Chloranthales - Chloranthaceae
 Laurales - Lauraceae
Lauraceae spp.1 Jussieu 1789 laurel
3 spp. + 5 spp. dispersed cuticle
Bandulskaia aestuaria n. gen. n. sp. Carpenter et al. 2007 laurel
 Caryophyllales - Polygonaceae
Polycolporopollenites esobalteus1 Pocknall and Mildenhall 1984 knotweed
 Aquifoliales - Aquifoliaceae
 Asterales - Asteraceae
Compositoipollenites sp.1 Potonié 1960 daisy
 Santalales -
Anacolosidites spp.1 Krutzsch 1959
 Santalales - Loranthaceae
Gothanipollis cf. bassensis1 Stover 1973 mistletoe
 Proteales - Proteaceae
 Buxales - Didymelaceae
 Gunnerales -
 Liliales - Ripogonaceae
Ripogonum tasmanicum n. sp.2 Conran et al. 2009
 Poales - Poaceae
Graminidites sp.1 Potonie 1960 bamboo
 Mesangiosperms - Liliaceae
 Mesangiosperms - Arecaceae
Nypa sp.1 van Wurmb 1779 palm
Arecipites sp.1 Nichols et al. 1973 palm
 Fagales -
 Fagales - Casuarinaceae
Gymnostoma sp.1 Johnson 1980
 Oxalidales - Cunoniaceae
Cunoniaceae sp.1 Brown 1814
 Malpighiales - Rhizophoraceae
Ceriops sp.1 Arnott 1838 mangrove
 Sapindales - Sapindaceae
 Malvales - Tiliaceae
 Coniferales - Podocarpaceae
Dacrycarpites australiensis1 Cookson and Pike 1953 podocarp
Podocarpus sp.1 L'Heritier and Persoon 1807 podocarp
Microcachryidites antarcticus1 Couper 1953 podocarp
Lygistepollenites florinii1 Stover and Evans 1973 podocarp
? Retrophyllum sp.1 Page 1989 podocarp
Podosporites microsaccatus1 Dettmann 1963 podocarp
Phyllocladidites mawsonii1 Cookson 1947 podocarp
Podocarpidites spp.1 Cookson 1947 podocarp
 Coniferales - Cupressaceae
Libocedrus microformis1 Paull and Hill 2009 cypress
Lycopsida
  -
Pteridopsida
  -
Cyathidites spp.1 Couper 1953
Cyathidites australis / minor
Ischyosporites gremius1 Stover 1973
Ischyosporites irregularis1 Sah and Jain 1965
Polypodiopsida
  - Osmundaceae
  - Polypodiaceae
Laevigatosporites spp.1 Ibrahim 1933
Laevigatosporites ovatus / major
  -
 Cyatheales - Polypodiidae
Kuylisporites waterbolkii1 scaly tree fern
 Polypodiales - Polypodiidae
Polypodiisporites spp.1 Potonié 1931
 Gleicheniales - Polypodiidae
Dictyophyllidites arcuatus1 Pocknall and Mildenhall 1984
 Schizaeales - Polypodiidae
Lygodium sp.1 Swartz 1800 climbing fern
  - Dicksoniaceae
"Triletes tuberculiformis" = Trilites tuberculiformis1
"Triletes tuberculiformis" = Trilites tuberculiformis1 Cookson 1947
  - Gleicheniaceae
Gleicheniidites spp.1 Dettmann 1963
Foraminifera
 Foraminifera -
 Dinoflagellata -
Dinophyceae
  -
Spiniferites spp.1 Mantell 1850
cf. Apteodinium sp.1 Eisenack 1958
 Gonyaulacales - Gonyaulacaceae
 Gonyaulacales - Goniodomaceae
 Dinoflagellata -