Where: Allen County, Louisiana (30.0° N, 92.0° W)
• Paleocoordinates: 34.5° N, 72.7° W (Wright 2013)
When: Eocene (56.0 - 33.9 Ma)
• Horizon sample from drill core. 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.
• bed-level stratigraphic resolution
Environment/lithology: deltaic; siltstone and shale
Size class: microfossils
Preservation: original chitin, original sporopollenin
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 33762: authorized by Hallie Sims, entered by Alistair McGowan on 07.08.2003, edited by Jason Cassara
Creative Commons license: CC0 (CC0)
Taxonomic list
unclassified | |
Sigmopollis | |
Sigmopollis spp. Hedlund 1965 | |
Cedripites | |
Cedripites spp. Woodhouse 1933 | |
Algae | |
Ovoidites spp. Krutzsch 1959 | |
Lycopodiopsida | |
Lycopodiumsporites spp. Delcourt and Sprumont 1955 clubmoss | |
Divisisporites | |
Magnoliopsida | |
Angiospermae | |
Margocolporites kruschii legume | |
Momipites spp. Wodehouse 1933 | |
Cupuliferoipollenites spp. Potonié | |
Bombacacidites spp. Couper 1960 | |
Chenopodipollis spp. Krutzsch 1966 | |
Liquidambarpollenites spp. Raatz 1937 | |
Triporopollenites "sp. 1" Pflug and Thomson 1953 | |
Taxodium spp. Richard 1810 cypress | |
Pinopsida | |
Pinuspollenites spp. Raatz 1938 | |
unclassified | |
Microreticulatisporites | |
Microreticulatisporites spp. Potonié and Kremp 1954 | |
Pteridopsida | |
Deltoidospora spp. Miner 1935
Osmundacidites spp. Couper 1953
Leiotriletes spp. Potonie and Kremp 1954 | |
Polypodiopsida | |
Polypodium spp. Linnaeus 1753
Laevigatosporites spp. Ibrahim 1933
Verrucatosporites spp. Pflug and Thomson 1953 | |
Gleicheniidites spp. Dettmann 1963 | |
Undulatisporites spp. Pflug 1953
Cicatricosisporites dorogensis Potonie and Gelletich 1933 | |
Converrucosisporites | |
Converrucosisporites spp. Potonié and Kremp 1954 | |
Chlorophyceae | |
Pediastrum spp. Meyen 1829 | |
unclassified | |
Fungi "Fungal spore spp." Jahn and Jahn 1959 | |
Monoporisporites | |
Monoporisporites spp. Hammen | |
Dicellaesporites | |
Dicellaesporites spp. Elsik | |
Multicellaesporites | |
Multicellaesporites spp. Elsik | |
Perotriletes | |
Perotriletes spp. Reyre 1966 | |
Quercoidites | |
Quercoidites spp. Potonié 1960 | |
Tricolpopollenites | |
Tricolpopollenites spp. Thomson and Pflug 1953 |