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: surface (in situ), 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 33776: authorized by Hallie Sims, entered by Alistair McGowan on 07.08.2003, edited by Jason Cassara
Creative Commons license: CC0 (CC0)
Taxonomic list
unclassified | |
Chlorophyceae | |
Pediastrum spp. Meyen 1829 | |
Schizosporis | |
Schizosporis spp. Cookson and Dettmann 1959 | |
Angiospermae | |
Cupanieidites spp. Cookson and Pike 1954 soapberry | |
Momipites "sp. 1", Momipites spp., Caryapollenites "prodromus-imparalis type", Caryapollenites spp., Platycaryapollenites platycaryoides, Pterocaryapollenites spp.
Momipites "sp. 1" Wodehouse 1933
Momipites spp. Wodehouse 1933
Caryapollenites spp. Potonié 1960
Pterocaryapollenites spp. Thiergart | |
Cupuliferoipollenites spp. Potonié | |
Alnipollenites verus Potonie 1931 birch | |
Margocolporites kruschii legume | |
Tricolporopollenites spp. Thomson and Pflug 1953 spurge | |
Triporopollenites "sp. 1" Pflug and Thomson 1953 | |
Liliacidites spp. Couper 1953 | |
Magnoliopsida | |
Taxodium spp. Richard 1810 cypress | |
Pinopsida | |
Piceapollenites spp. Potonié
Pinuspollenites spp. Raatz 1938 | |
Polypodiopsida | |
Gleicheniidites spp. Dettmann 1963 | |
Cicatricosisporites dorogensis Potonie and Gelletich 1933 | |
Laevigatosporites spp. Ibrahim 1933 | |
Microreticulatisporites | |
Microreticulatisporites spp. Potonié and Kremp 1954 | |
Pteridopsida | |
Osmundacidites spp. Couper 1953
Leiotriletes spp. Potonie and Kremp 1954
Deltoidospora spp. Miner 1935 | |
Converrucosisporites | |
Converrucosisporites spp. Potonié and Kremp 1954 | |
Algae | |
Ovoidites spp. Krutzsch 1959 | |
Lycopodiopsida | |
Lycopodiumsporites spp. Delcourt and Sprumont 1955 clubmoss | |
Divisisporites | |
Monoporisporites | |
Monoporisporites spp. Hammen | |
Diporisporites | |
Diporisporites spp. Elsik 1968 | |
Tricolpopollenites | |
Tricolpopollenites "sp. <20 micrometers" Thomson and Pflug 1953
Tricolpopollenites spp. Thomson and Pflug 1953 |