Where: Clarke County, Mississippi (32.3° N, 88.8° W)
• Paleocoordinates: 36.1° N, 69.8° W (Wright 2013)
• coordinate estimated from map
• hand sample-level geographic resolution
When: Basic City Shale Member (Tallahatta Formation), Middle Eocene (47.8 - 37.7 Ma)
• Lower Claibornian: lower part of the middle Eocene. Underlies the Winona Formation.
Environment/lithology: marine; gray, green shale
Size class: microfossils
Preservation: original sporopollenin
Reposited in the USGS
Collection methods: core, chemical, hydrochloric, hydroflouric,
• Samples were prepared by means of standard acid maceration as well as by swirling and (or) ZnBr2 separation. Residues were mounted in glycerine jelly.
Primary reference: N. O. Frederiksen. 1979. Paleogene Sporomorph Biostratigraphy, Northeastern Virginia. Palynology 3:129-167 [P. Jardine/H. Morck]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 233001: authorized by Phillip Jardine, entered by Hannah Morck on 10.01.2024
Creative Commons license: CC0 (CC0)
Taxonomic list
unclassified | |
Dicotyledoneae | |
Magnoliopsida | |
Angiospermae | |
unclassified | |
Ginkgoopsida | |
Ephedra fusiformis jointfir | |
Angiospermae | |
Betula infrequens birch | |
Platycarya "platycaryoides type", Carya "less than 29 µm", Momipites "tenuipolus group", Momipites microfoveolatus, Momipites coryloides, Platycaryapollenites spp.
Platycarya "platycaryoides type" Siebold and Zuccarini 1843
Carya "less than 29 µm" Nuttall 1818 hickory
Momipites "tenuipolus group" Wodehouse 1933
Momipites microfoveolatus Stanley 1965
Momipites coryloides Wodehouse 1933
Platycaryapollenites spp. Nagy 1969 | |
Casuarinidites spp. Cookson and Pike 1954 | |
Celtis "tschudyi group - triporate" Linnaeus 1753 hackberry | |
Bombacacidites "sp. 1" Couper 1960 | |
"Malvacipollis tschudyi" = Echiperiporites tschudyi, "Malvacipollis cf. tschudyi" = Echiperiporites tschudyi
"Malvacipollis tschudyi" = Echiperiporites tschudyi Frederiksen 1973
"Malvacipollis cf. tschudyi" = Echiperiporites tschudyi Frederiksen 1973 | |
Proxapertites spp. Van der Hammen 1956 | |
Triatriopollenites "convexus group" Thomson and Pflug 1953 | |
Triporopollenites "palaeobetuloides group" Pflug and Thomson 1953 | |
Ilexpollenites spp. Thiergart 1937 | |
Dicotyledoneae | |
Lanagiopollis "eocaenica type" Morley 1982 | |
? Symplocos "virginiensis group" Jacquin 1760 sweetleaf | |
Verrutricolporites | |
Verrutricolporites spp. Van der Hammen and Wijmstra 1964 | |
Plicatopollis | |
Plicatopollis "lunata type" Krutzsch 1962
Plicatopollis triradiata Nichols 1973 | |
Tetracolporopollenites | |
Tetracolporopollenites spp., Tetracolporopollenites "megadolium type - short colpi", Tetracolporopollenites "lesquereuxianus type"
Tetracolporopollenites spp. Pflug and Thomson 1953
Tetracolporopollenites "megadolium type - short colpi" Pflug and Thomson 1953
Tetracolporopollenites "lesquereuxianus type" Pflug and Thomson 1953 |