Also known as Mound City; USGS # 32312
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, calcareous 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 4104: authorized by Matt Kosnik, entered by Matt Kosnik on 14.08.1999
Creative Commons license: CC BY (attribution)
Taxonomic list
Demospongiae | |
| |
Deuteropoda | |
| |
Polychaeta | |
| |
| |
Bryozoa | |
| |
Bivalvia | |
| |
| |
| |
"Ostrea mesenterica" = Lopha mesenterica
| |
"Lima (Lima) reticulata" = Lima reticulata
| |
| |
| |
| |
Syncyclonema simplicius scallop Syncylonema simplicus (Conrad) - originally entered as "Syncylonema simplicius"
| |
| |
"Cucullaea (Idonearca) capax" = Idonearca capax, Cucullaea (Idonearca) littlei
| |
| |
| |
| |
Trachycardium eufaulensis, Protocardia (Pachycardium) spillmani, Granocardium (Granocardium) kummeli
Protocardia (Pachycardium) spillmani cockle Protocardium (Pachycardium) spillm - originally entered as "Protocardium spillmani"
| |
| |
| |
| |
| |
| |
Gastropoda | |
| |
| |
| |
| |
| |
| |
Laxispira monilifera, Turritella hilgardi, Turritella sp., "Turritella (Sohlitella) trilira" = Turritella trilira, Turritella tippana, Turritella vertebroides
"Turritella (Sohlitella) trilira" = Turritella trilira Conrad 1860 turret shell Turritella (Sohlitella) trilira (C
| |
Ataphrus sp. n. sp.
| |
Cephalopoda | |
| |
unclassified | |
| |
Echinoidea | |
"Hardouinia sp." = Harduinia
|