Auvers 80150, Calcaire Grossier d'Etrechy, Gisement d'Auvers-Saint-Georges, Esso (Oligocene of France)

Where: Essonne, France (48.5° N, 2.2° E: paleocoordinates 47.8° N, 1.2° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Calcaire Grossier d'Etrechy Formation, Early/Lower Oligocene (33.9 - 28.4 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marine; poorly lithified, concretionary, silty, calcareous sandstone

• environment described as "un milieu calme, tres peu profond (infralittoral superieur)"--a calm intertidal environment?
• intercalation argilo-sableuse à endurcissements calcaires; intercalated silty sands with calcareous nodules/concretions?

Size classes: macrofossils, mesofossils

Primary reference: J. L. Gitton, P. Lozouet, and P. Maestrati. 1986. Biostratigraphie et paleoecologie des gisements types du Stampian de la region d''Etampes (Essonne). Geologie de la France 1:3-101 [A. Miller/K. Layou/M. Uhen]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 9067: authorized by Arnold Miller, entered by Karen Layou on 21.09.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Gastropoda
 Heterostropha - Pyramidellidae
Odostomia sp.
Odostomia sp. Fleming 1817 snail
 Cerithioidea - Potamididae
Tympanotonos sp.
Tympanotonos sp. Schumacher 1817 horn snail
 Cerithioidea - Cerithiidae
Bittium sublima
Bittium sublima cerith snail
 Cerithioidea - Batillariidae
"Pirenella plicata" = Granulolabium plicatum
"Pirenella plicata" = Granulolabium plicatum Bruguiére 1792 snail
 Cerithioidea - Brachytrematidae
Benoistia boblayi
 Neotaenioglossa - Calyptraeidae
Calyptraea striatella
Calyptraea striatella slipper shell
 Sorbeoconcha - Naticidae
Polinices sp.
Polinices sp. Monfort 1810 moon snail
 Sorbeoconcha - Rissoidae
"Rissoa turbinata" = Turboella turbinata
"Rissoa turbinata" = Turboella turbinata Lamarck 1804 snail
 Trochoidea - Trochidae
Jujubinus stampinensis, Jujubinus subincrassatus, Jujubinus sp.
Jujubinus sp. Monterosato 1884 top snail
Bivalvia
 Mytilida - Mytilidae
Modiolus stampinensis
 Mytilida - Crenellidae
Musculus analogus
 Ostreida - Ostreidae
"Ostrea cyathula" = Crassostrea cyathula
"Ostrea cyathula" = Crassostrea cyathula Lamarck 1806 oyster
 Ostreida - Pteriidae
Pteria stampinesis
Pteria stampinesis pearl oyster
 Arcida - Glycymerididae
Glycymeris angusticostata, Glycymeris sp.
Glycymeris sp. Da Costa 1778 clam
 Lucinida - Lucinidae
"Claibornites thierensi" = Callucina (Callucina) thierensi, "Lucina" sp., Pegophysema omaliusi, Ctena squamosa
"Claibornites thierensi" = Callucina (Callucina) thierensi Hébert 1849 clam
"Lucina" sp. Bruguière 1797 clam
Pegophysema omaliusi Deshayes 1858 clam
 Pholadida - Myidae
Sphenia tenera
Sphenia tenera softshell clam
 Pholadida - Corbulidae
"Lentidium nitidum" = Lentidium (Ajanssenium) nitidum, Corbula sp., Corbula (Varicorbula) gibba
"Lentidium nitidum" = Lentidium (Ajanssenium) nitidum Sowerby 1822 clam
Corbula sp. Bruguière 1789 clam
Corbula (Varicorbula) gibba Oliva 1792 clam
Corbula (Varicorbula) gibba subpisum
 Cardiida - Veneridae
Veneridae indet., Callista splendida, Tivelina depressa, Pelecyora (Cordiopsis) incrassata
Veneridae indet. Rafinesque 1815 venus clam
Callista splendida Mérian 1860 venus clam
Tivelina depressa venus clam
Pelecyora (Cordiopsis) incrassata Nyst 1836 venus clam
 Cardiida - Cardiidae
Parvicardium sp.
Parvicardium sp. Monterosato 1884 cockle
 Cardiida - Semelidae
Abra sp.
Abra sp. Lamarck 1818 abra
 Carditida - Carditidae
Cyclocardia tuberculata