Where: Jackson County, Louisiana (32.3° N, 92.7° W: paleocoordinates 33.4° N, 83.8° W)
• coordinate based on nearby landmark
When: Cook Mountain Formation (Claiborne Group), Bartonian (41.3 - 38.0 Ma)
• "Three samples from the site were strontium dated forty-five million years old"
Environment/lithology: deep-water; unlithified, concretionary, sandy claystone
Size classes: macrofossils, mesofossils
Collection methods: bulk, sieve,
• "Horizontal bulk samples were collected, disaggregated, sieved, and counted. Forty pounds of substrate were removed from a four inch horizontal layer near each lithological boundary ...These bulk samples were dried and a thirty pound sub-sample was boiled in Quaternary O solution until they disaggregated. The disaggregated sub-samples were sieved through USGS #10 and #14 sieves."
Primary reference: G. Zumwalt, J. Pratt, and J. Moncrief. 1995. Marine Macro-Invertebrate Paleoenvirionmental Interpretation of the Harvey Site (Cook Mountain, Eocene) in North-Central Louisiana. Mississippi Geology 16(1):12-21 [L. Ivany/P. Wall/P. Wall]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 44518: authorized by Linda Ivany, entered by Patrick Wall on 14.09.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
•...
•A type collection was established from surface samples and identifed using Dockery (1980) and MacNeil and Dockery (1984). This collection was confirmed by David T. Dockery of the Mississippi Office of Geology."
unclassified | |
| |
Gymnolaemata | |
"Holoporella granulosa" = Celleporaria
"Holoporella granulosa" = Celleporaria | |
Lunulites sp. Lamarck 1816 | |
unclassified | |
| |
Scaphopoda | |
Dentalium minutistriatum Gabb 1850 tusk shell | |
Cadulus (Dischides) subcoarcuatus tusk shell | |
Gastropoda | |
Architectonica sp. Röding 1798 sundial | |
Tiburnus eboreus snail | |
Retusa (Cylichnina) galba Conrad 1833 snail | |
| |
Cirsotrema sp. Mörch 1852 wentletrap | |
Clavilithes kennedyanus snail
Latirus moorei Gabb 1860 snail | |
Bullia sp. Gray 1834 snail | |
Penion sp. Fischer 1884 true whelk | |
| |
Cochlespira sp. Conrad 1865 snail | |
Hastula houstonia auger snail | |
Conus sauridens Conrad 1833 cone shell | |
Scobinella (Moniliopsis) hammettensis, "Coronia margaritosa" = Gemmula (Coronia), Eopleurotoma gemmaria
"Coronia margaritosa" = Gemmula (Coronia) turrid
Eopleurotoma gemmaria turrid | |
Agaronia sp. Gray 1839 snail | |
| |
Conomitra fusoides Lea 1833 ribbed mitre | |
Marginella (Dentimargo) constrictoides margin shell | |
Bullata semen Lea 1833 volute
Caricella sp. Conrad 1835 volute
Athleta sp. Conrad 1853 volute
"Athleta petrosus" = Athleta petrosa Conrad 1833 volute
Lapparia sp. Conrad 1855 volute | |
Distorsio sp. Röding 1798 snail | |
"Ficopsis sp." = Ficus
"Ficopsis sp." = Ficus Röding 1798 fig shell | |
Melanella sp. Bowdich 1822 snail | |
Bivalvia | |
Yoldia (Calorhadia) semen Lea 1883 pointed nut clam | |
Nucula (Nucula) mauricensis Harris 1919 nut clam | |
Eburneopecten sp. Conrad 1865 scallop | |
Cubitostrea sellaeformis Conrad 1832 oyster | |
Glycymeris trigonella Conrad 1833 clam | |
Limopsis aviculoides Conrad 1862 clam | |
| |
Crassatella texalta Harris 1895 clam
Bathytormus clarkensis Dall 1900 clam | |
Glyptoactis (Claibornicardia) trapaquara, Venericardia (Venericor) sp., Venericardia (Rotundicardia) rotunda
Glyptoactis (Claibornicardia) trapaquara Harris 1895 clam
Venericardia (Venericor) sp. Stewart 1930 clam
Venericardia (Rotundicardia) rotunda Lea 1833 clam | |
Polyplacophora | |
Chiton sp. Linnaeus 1758 chiton | |
Thecostraca | |
Euscalpellum eocenense Meyer 1885 barnacle | |
Anthozoa | |
Discotrochus orbignianus stony coral | |
| |
Balanophyllia sp. Wood 1844 stony coral
Endopachys lonsdalei Vaughan 1900 stony coral |