Ormoy I 66363, Gisement d'Ormoy-la-Riviere, Falun d'Ormoy, Essonne, France (Oligocene of France)

Where: Essonne, France (48.4° N, 2.2° E: paleocoordinates 47.7° N, 1.3° W)

• coordinate based on political unit

• small collection-level geographic resolution

When: Falun d'Ormoy Formation, Early/Lower Oligocene (33.9 - 28.4 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: transition zone or lower shoreface; poorly lithified sandstone

• sable blanc; sandstone

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 9182: authorized by Arnold Miller, entered by Karen Layou on 01.10.2000

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Neotaenioglossa - Calyptraeidae
Calyptraea labellata slipper shell
 Cerithioidea - Brachytrematidae
 Cerithioidea - Potamididae
Potamides lamarcki Brongniart 1810 horn snail
 Cerithioidea - Batillariidae
"Pirenella plicata" = Granulolabium plicatum
"Pirenella plicata" = Granulolabium plicatum Bruguiére 1792 snail
 Neogastropoda - Nassariidae
"Keepingia gossardi" = Keepingia gossardii
"Keepingia gossardi" = Keepingia gossardii Nyst 1836 snail
 Neogastropoda - Cystiscidae
 Neogastropoda - Muricidae
 Sorbeoconcha - Rissoidae
"Rissoa turbinata" = Turboella turbinata
"Rissoa turbinata" = Turboella turbinata Lamarck 1804 snail
 Sorbeoconcha - Hydrobiidae
Hydrobia sp. Hartmann 1821 snail
Pseudamnicola helicella Sandberger 1859 snail
 Heterostropha - Pyramidellidae
Odostomia sp. Fleming 1817 snail
 Opisthobranchia - Cylichnidae
Acteocina exerta barrel-bubble
 Opisthobranchia - Scaphandridae
"Atys (Aliculastrum) turgidulus" = Mnestia turgidula
"Atys (Aliculastrum) turgidulus" = Mnestia turgidula Sandberger 1859 snail
 Opisthobranchia - Retusidae
Retusa sp. Brown 1827 snail
Bivalvia
 Ostreida - Pteriidae
Pteria stampinensis pearl oyster
 Ostreida - Ostreidae
"Ostrea cyathula" = Crassostrea cyathula
"Ostrea cyathula" = Crassostrea cyathula Lamarck 1806 oyster
 Lucinida - Lucinidae
Pegophysema omaliusi Deshayes 1858 clam
"Lucina" sp. Bruguière 1797 clam
 Pholadida - Corbulidae
"Lentidium nitidum" = Lentidium (Ajanssenium) nitidum
"Lentidium nitidum" = Lentidium (Ajanssenium) nitidum Sowerby 1822 clam
 Cardiida - Veneridae
 Cardiida - Cardiidae
 Carditida - Carditidae
Scaphopoda
 Dentaliida - Dentaliidae
Dentalium sp. Linnaeus 1758 tusk shell