Where: Allen County, Louisiana (30.0° N, 92.0° W)
• Paleocoordinates: 34.5° N, 72.7° W (Wright 2013)
When: Wilcox Group, Eocene (56.0 - 33.9 Ma)
• Gregory and Hart (1995a, pollen and spores) do not recognize the Clairbornian in the core, but in Gregory and Hart (1995, dinoflagellates), they do. Both papers look at the same samples from the same core and derive different age assignments because they treat each independently. RAL elected to enter a uniform age assignment for both papers.
Environment/lithology: deltaic
Size class: microfossils
Preservation: original chitin, original sporopollenin
Collection methods: core, chemical
• Author uses 'r' to denote 'single occurrence' and 's' to denote '1
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•
• Comments on the taxonomic list:
Primary reference: W. A. Gregory and G. F. Hart. 1995. Distribution of pollen and spores in a subsurface marine Wilcox (Paleocene-Eocene) section in southwest Louisiana. Palynology 19:1-43 [R. Lupia/R. Vaughn]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 11090: authorized by Hallie Sims, entered by Ryan Vaughn on 13.07.2001, edited by Alistair McGowan
Creative Commons license: CC0 (CC0)
Taxonomic list
unclassified | |
Inapertisporites | |
Inapertisporites spp. Hammen | |
Lycopodiopsida | |
Lycopodiumsporites spp. Delcourt and Sprumont 1955 clubmoss | |
unclassified | |
Magnoliopsida | |
Taxodium spp. Richard 1810 cypress | |
Angiospermae | |
Cercidiphyllites spp. Mtchedlishvili 1961 | |
Ilexpollenites spp. Thiergart 1937 | |
Triporopollenites "sp. 1" Pflug and Thomson 1953 | |
Liliacidites spp. Couper 1953 | |
Bombacacidites spp. Couper 1960 | |
Margocolporites kruschii legume | |
Caryapollenites "sp. 29 micrometers" Potonié 1960
Momipites spp. Wodehouse 1933 | |
Tricolporopollenites spp. Thomson and Pflug 1953 spurge | |
Microfoveolatosporis | |
Microreticulatisporites | |
Microreticulatisporites spp. Potonié and Kremp 1954 | |
Polypodiopsida | |
Cicatricosisporites dorogensis Potonie and Gelletich 1933 | |
Gleicheniidites spp. Dettmann 1963 | |
Verrucatosporites spp. Pflug and Thomson 1953
Laevigatosporites spp. Ibrahim 1933 | |
Pteridopsida | |
Leiotriletes spp. Potonie and Kremp 1954
Deltoidospora spp. Miner 1935
Osmundacidites spp. Couper 1953 | |
Divisisporites | |
Chlorophyceae | |
Pediastrum spp. Meyen 1829 | |
Perotriletes | |
Perotriletes spp. Reyre 1966 | |
Tricolpopollenites | |
Tricolpopollenites spp. Thomson and Pflug 1953 |