Also known as Mound City; USGS # 32310
Where: Union County, Mississippi (34.5° N, 88.9° W: paleocoordinates 38.0° N, 66.2° W)
• small collection-level geographic resolution
When: Gansserina gansseri foram zone, Chiwapa Formation, Early/Lower Maastrichtian (70.6 - 66.0 Ma)
• No forams have been recovered from this unit, it is assigned to the Gansserina gansseri zone by Mancini et al. (1996) by sequence stratigraphy and the biostratigraphy of surrounding units. Haustator bilira assemblage zone.
• formation-level stratigraphic resolution
Environment/lithology: marine; lithified, glauconitic sandstone
Size class: mesofossils
Preservation: original calcite
Reposited in the USGS
Collection methods: bulk,
• Sohl collection
Primary reference: N. F. Sohl and C. F. Koch. 1987. Upper Cretaceous (Maestrichtian) larger invertebrates from the Haustator bilira Assemblage Zone in the Atlantic Coastal Plain with further data for the East Gulf. USGS Open File Report 87-194:1-172 [M. Kosnik/M. Kosnik]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 4105: authorized by Matt Kosnik, entered by Matt Kosnik on 14.08.1999
Creative Commons license: CC BY (attribution)
Taxonomic list
Demospongiae | |
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unclassified | |
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Echinoidea | |
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Gastropoda | |
Ataphrus sp. n. sp.
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"Striaticostatum sillimani" = Epitonium sillimani
"Striaticostatum sillimani" = Epitonium sillimani Morton 1834 wentletrap Striaticostatum sillimani (Morton)
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Bivalvia | |
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Protocardia (Pachycardium) spillmani, Granocardium (Granocardium) kummeli, Trachycardium eufaulensis
Protocardia (Pachycardium) spillmani cockle Protocardium (Pachycardium) spillm - originally entered as "Protocardium spillmani"
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"Lima (Lima) acutilineata" = Limatula acutilineata, "Lima (Lima) reticulata" = Lima reticulata
"Lima (Lima) acutilineata" = Limatula acutilineata Conrad 1858 file clam Lima (Lima) acutilineata Conrad
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Syncyclonema simplicius scallop Syncylonema simplicus (Conrad) - originally entered as "Syncylonema simplicius"
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Cephalopoda | |
"Sphenodiscus lenticularis" = Sphenodiscus lobatus
"Sphenodiscus lenticularis" = Sphenodiscus lobatus Tuomey 1856 ammonite Sphenodiscus lenticularis (Owen)
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Polychaeta | |
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Deuteropoda | |
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