Where: Allen County, Louisiana (30.0° N, 92.0° W)
• Paleocoordinates: 34.5° N, 72.7° W (Wright 2013)
• small collection-level geographic resolution
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 33766: authorized by Hallie Sims, entered by Alistair McGowan on 07.08.2003
Creative Commons license: CC0 (CC0)
Taxonomic list
unclassified | |
Fusiformisporites | |
Inapertisporites | |
Inapertisporites spp. Hammen | |
Algae | |
Ovoidites spp. Krutzsch 1959 | |
Pinopsida | |
Pinuspollenites spp. Raatz 1938 | |
Taxodium spp. Richard 1810 cypress | |
Angiospermae | |
Bombacacidites spp. Couper 1960 | |
Momipites spp. Wodehouse 1933 | |
Cupuliferoipollenites spp. Potonié | |
Tricolporopollenites spp. Thomson and Pflug 1953 spurge | |
Liliacidites spp. Couper 1953 | |
Triporopollenites "sp. 1" Pflug and Thomson 1953 | |
Magnoliopsida | |
Microreticulatisporites | |
Microreticulatisporites spp. Potonié and Kremp 1954 | |
Converrucosisporites | |
Converrucosisporites spp. Potonié and Kremp 1954 | |
Pteridopsida | |
Deltoidospora spp. Miner 1935
Osmundacidites spp. Couper 1953
Leiotriletes spp. Potonie and Kremp 1954 | |
Polypodiopsida | |
Laevigatosporites spp. Ibrahim 1933
Verrucatosporites spp. Pflug and Thomson 1953
Polypodium spp. Linnaeus 1753 | |
Cicatricosisporites dorogensis Potonie and Gelletich 1933 | |
Gleicheniidites spp. Dettmann 1963 | |
Divisisporites | |
Chlorophyceae | |
Pediastrum spp. Meyen 1829 | |
Tricolpopollenites | |
Tricolpopollenites spp. Thomson and Pflug 1953 | |
Quercoidites | |
Quercoidites spp. Potonié 1960 |