ACov-7 Lisbon (Eocene of the United States)

Where: Covington County, Alabama (31.3° N, 86.5° W)

• Paleocoordinates: 34.7° N, 66.8° W (Wright 2013)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Lower Member (Lisbon Formation), Lutetian (47.8 - 41.3 Ma)

• None.

• group of beds-level stratigraphic resolution

Environment/lithology: shallow subtidal; unlithified, glauconitic, gray, green, silty, calcareous sandstone

• None.

Size class: mesofossils

Primary reference: L. D. Toulmin. 1977. Stratigraphic Distribution of Paleocene and Eocene Fossils in the Eastern Gulf Coast Region. Geological Survey of Alabama, Monograph 13(1):1-602 [M. Patzkowsky/K. Layou/P. Mannion]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 81209: authorized by Arnold Miller, entered by Jocelyn Sessa on 10.06.2008

Creative Commons license: CC0 (CC0)

Taxonomic list

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Gastropoda
 Opisthobranchiata - Retusidae
? Retusa galba
 Sorbeoconcha - Vermetidae
Serpulorbis squamulosus
Serpulorbis squamulosus Conrad 1834 worm shell
 Neogastropoda - Volutidae
? Caricella cherokeensis
 Neogastropoda - Melongenidae
Busycon sp., Sycostoma americanae
Busycon sp. Röding 1798 whelk
 Cerithioidea - Turritellidae
"Turritella carinata" = Haustator carinata
"Turritella carinata" = Haustator carinata Lea 1833 turret shell
Turritella carinata palmerae
 Neotaenioglossa - Calyptraeidae
Crepidula lirata
Crepidula lirata Conrad 1833 slipper shell
Bivalvia
 Solenida - Solenidae
"Eosolen lisbonensis" = Solena (Eosolen)
"Eosolen lisbonensis" = Solena (Eosolen) clam
 Cardiida - Veneridae
Pitar nuttali
Pitar nuttali Conrad 1834 venus clam
 Cardiida - Mactridae
Spisula cf. praetenuis
Spisula cf. praetenuis Conrad 1833 clam
 Cardiida - Cardiidae
Nemocardium sp.
Nemocardium sp. Meek 1876 cockle
 Cardiida - Tellinidae
"Tellina raveneli" = Tellina (Arcopagia) raveneli
"Tellina raveneli" = Tellina (Arcopagia) raveneli Conrad 1846 tellin clam
 Lucinida - Lucinidae
Saxolucina claibornensis, Eomiltha pandata
Eomiltha pandata Conrad 1833 clam
 Carditida - Carditidae
Venericardia "sp. A", "Venericardia rotunda" = Venericardia (Rotundicardia) rotunda, "Venericardia claiboplata" = Venericardia carolinensis, "Venericardia nasuta" = Venericardia (Claibornicardia) nasuta
Venericardia "sp. A" Lamarck 1801 clam
"Venericardia rotunda" = Venericardia (Rotundicardia) rotunda Lea 1833 clam
"Venericardia claiboplata" = Venericardia carolinensis Conrad 1848 clam
"Venericardia nasuta" = Venericardia (Claibornicardia) nasuta Dall 1903 clam
 Pectinida - Pectinoidae
Chlamys spp.
Chlamys spp. Röding 1798 scallop
 Ostreida - Ostreidae
Cubitostrea lisbonensis
Cubitostrea lisbonensis Harris 1919 oyster
 Ostreida - Pinnidae
Atrina cawcawensis