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 33787: authorized by Hallie Sims, entered by Alistair McGowan on 07.08.2003
Creative Commons license: CC0 (CC0)
Taxonomic list
unclassified | |
Schizosporis | |
Schizosporis spp. Cookson and Dettmann 1959 | |
Chlorophyceae | |
Pediastrum spp. Meyen 1829 | |
Ginkgoopsida | |
Ephedripites spp. Bolkhovitina and Potonié 1958 | |
Divisisporites | |
Taxodium spp. Richard 1810 cypress | |
Pinopsida | |
Piceapollenites spp. Potonié
Pinuspollenites spp. Raatz 1938 | |
Magnoliopsida | |
Angiospermae | |
Trudopollis spp. Pflug 1953 | |
Triporopollenites "sp. 1" Pflug and Thomson 1953 | |
Cercidiphyllites spp. Mtchedlishvili 1961 | |
Arecipites spp. Nichols et al. 1973 palm | |
Liliacidites spp. Couper 1953 | |
Tricolporopollenites spp. Thomson and Pflug 1953 spurge | |
Margocolporites kruschii legume | |
Caryapollenites "prodromus-imparalis type", Caryapollenites "sp. <29 micrometers", Caryapollenites spp., Pterocaryapollenites spp., Momipites spp.
Caryapollenites "sp. <29 micrometers" Potonié 1960
Caryapollenites spp. Potonié 1960
Pterocaryapollenites spp. Thiergart
Momipites spp. Wodehouse 1933 | |
Cupuliferoipollenites spp. Potonié | |
Lycopodiopsida | |
Lycopodiumsporites spp. Delcourt and Sprumont 1955 clubmoss | |
Algae | |
Ovoidites spp. Krutzsch 1959 | |
Pteridopsida | |
Deltoidospora spp. Miner 1935
Leiotriletes spp. Potonie and Kremp 1954
Osmundacidites spp. Couper 1953 | |
Polypodiopsida | |
Cicatricosisporites dorogensis Potonie and Gelletich 1933 | |
Gleicheniidites spp. Dettmann 1963 | |
Laevigatosporites spp. Ibrahim 1933
Verrucatosporites spp. Pflug and Thomson 1953 | |
Microreticulatisporites | |
Microreticulatisporites spp. Potonié and Kremp 1954 | |
Converrucosisporites | |
Converrucosisporites spp. Potonié and Kremp 1954 | |
Lacrimasporonites | |
Monoporisporites | |
Monoporisporites spp. Hammen | |
Tricolpopollenites | |
Tricolpopollenites "sp. <20 micrometers" Thomson and Pflug 1953
Tricolpopollenites spp. Thomson and Pflug 1953 |