Where: Grant County, Louisiana (31.7° N, 92.9° W)
• Paleocoordinates: 36.1° N, 76.8° W (Wright 2013)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Jackson Group, Bartonian to Bartonian (41.0 - 33.9 Ma)
• member-level stratigraphic resolution
Environment/lithology: marine; lithology not reported
Size class: mesofossils
Primary reference: D. T. Dockery. 1980. Invertebrate Macropaleontolgy of the Clarke County Mississippi Area. Bulletin - Mississippi Geological, Economic and Topographic Survey 122 [M. Kosnik/M. Kosnik/L. Eccles]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 99762: authorized by Jocelyn Sessa, entered by Laurie Eccles on 20.11.2010, edited by Mark Uhen
Creative Commons license: CC0 (CC0)
Taxonomic list
Bivalvia | |
| |
Gastropoda | |
Sulcocypraea healeyi Aldrich 1923 snail | |
Calyptraphorus stamineus snail | |
| |
Dolicholatirus leaensis Harris 1897 snail
Clavilithes humerosus snail | |
Caricella subangulata Conrad 1854 volute | |
Hexaplex (Hexaplex) marksi Harris 1894 murex snail | |
Natica permunda Conrad 1854 moon snail
Euspira jacksonensis Harris and Palmer 1947 moon snail
Polinices weisbordi moon snail | |
Hipponix pygmaeus hoof shell | |
Calyptraea (Trochita) aperta Solander 1766 slipper shell | |
Turritella perdita Conrad 1865 turret shell | |
Hemisinus jacksonius n. sp.2
| |
Scaphopoda | |
| |
"Cadulus (Polyschides) jacksonensis" = Cadulus jacksonensis
"Cadulus (Polyschides) jacksonensis" = Cadulus jacksonensis Harris and Palmer 1947 tusk shell |