Also known as LNa-1b
Where: Natchitoches County, Louisiana (31.8° N, 93.1° W: paleocoordinates 33.5° N, 81.9° W)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: late zone, Weches Formation, Lutetian (47.8 - 41.3 Ma)
• above bed A
• bed-level stratigraphic resolution
Environment/lithology: offshore; unlithified, glauconitic marl
most fossils are moldic or rotten aragonite
Size class: mesofossils
Preservation: cast, original aragonite, original calcite
Collection methods: bulk, mechanical, sieve,
Primary reference: L. C. Ivany. 1997. Faunal stability and environmental change in the middle Eocene Gulf Coastal Plain (PhD Thesis, Harvard University). 1-221 [L. Ivany/L. Ivany/A. Clement]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 2410: authorized by Linda Ivany, entered by Linda Ivany on 03.07.1999
Creative Commons license: CC BY (attribution)
Taxonomic list
Anthozoa | |
Turbinolia pharetra Lea 1833 stony coral | |
Gymnolaemata | |
| |
"Holoporella granulosa" = Celleporaria
"Holoporella granulosa" = Celleporaria | |
Gastropoda | |
| |
Naticidae indet. Guilding 1834 moon snail | |
Levifusus mortoniopsis snail | |
Retusa galba snail | |
| |
Ringicula trapaquara snail |