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: Wilcox Group, 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
Collection methods: core, chemical,
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 33839: authorized by Hallie Sims, entered by Alistair McGowan on 07.08.2003, edited by Jason Cassara
Creative Commons license: CC0 (CC0)
Taxonomic list
unclassified | |
Calamuspollenites spp., Casurinidites pulcher, Casurinidites "sp. 1", Porocolpopollenites spp., Spinaepollis spinosus, Kyandopollenites anneratus, Nudopollis terminalis, Thompsonipollis magnificus, Cyathedites spp., Sterisporites buchenauensis, Sterisporites bujargensis, Sterisporites bimammatus, Sterisporites spp., Brachysporites spp., Pleuricellaesporites spp., Spermatophyta "Pollen spp."
| |
Pinopsida | |
Piceapollenites spp. Potonié | |
Taxodium spp. Richard 1810 cypress | |
Angiospermae | |
Tricolporopollenites spp. Thomson and Pflug 1953 spurge | |
Pterocaryapollenites spp., Caryapollenites "sp. <29 micrometers", Caryapollenites spp., Momipites "sp. 1", Momipites spp.
Pterocaryapollenites spp. Thiergart
Caryapollenites "sp. <29 micrometers" Potonié 1960
Caryapollenites spp. Potonié 1960
Momipites "sp. 1" Wodehouse 1933
Momipites spp. Wodehouse 1933 | |
Margocolporites kruschii legume | |
Bombacacidites spp. Couper 1960 | |
Triporopollenites "sp. 1" Pflug and Thomson 1953
Triporopollenites spp. Pflug and Thomson 1953 | |
Arecipites spp. Nichols et al. 1973 palm | |
Liliacidites spp. Couper 1953 | |
Magnoliopsida | |
Lycopodiopsida | |
Hamulatisporites spp. Nakoman 1966 clubmoss
Lycopodiumsporites spp. Delcourt and Sprumont 1955 clubmoss | |
Polypodiopsida | |
Laevigatosporites spp. Ibrahim 1933
Polypodium spp. Linnaeus 1753 | |
Gleicheniidites spp. Dettmann 1963 | |
Cicatricosisporites dorogensis Potonie and Gelletich 1933
Microfoveolatosporites spp. Nakoman 1966 | |
Microreticulatisporites | |
Microreticulatisporites spp. Potonié and Kremp 1954 | |
Converrucosisporites | |
Converrucosisporites spp. Potonié and Kremp 1954 | |
Pteridopsida | |
Deltoidospora spp. Miner 1935 | |
Algae | |
Ovoidites spp. Krutzsch 1959 | |
Chlorophyceae | |
Pediastrum spp. Meyen 1829 | |
Schizosporis | |
Schizosporis spp. Cookson and Dettmann 1959 | |
Inapertisporites | |
Inapertisporites spp. Hammen | |
Dicellaesporites | |
Dicellaesporites spp. Elsik | |
Fusiformisporites | |
Monoporisporites | |
Monoporisporites spp. Hammen | |
Lacrimasporonites | |
Involutisporonites | |
Involutisporonites spp. Clarke | |
Tricolpopollenites | |
Tricolpopollenites "sp. <20 micrometers" Thomson and Pflug 1953
Tricolpopollenites spp. Thomson and Pflug 1953 |