Etrechy 66337, GIsement d'Etrechy, couches intermediaires, Essonne, France (Oligocene of France)

Where: Essonne, France (47.4° N, 4.5° E: paleocoordinates 46.7° N, 1.0° E)

• coordinate based on political unit

• small collection-level geographic resolution

When: Early/Lower Oligocene (33.9 - 28.4 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified, shelly/skeletal, silty, calcareous sandstone

• calcaire brun plus ou moins lite, en bank discontinu, penetre et enveloppe de gres calcaire a nombreuses empreintes et debris de mollusques marins; brownish limestone with some silty limestone with impressions and hash of marine molluscs

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 9075: authorized by Arnold Miller, entered by Donna Carlson on 22.09.2000, edited by Karen Layou

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Gastropoda
 Opisthobranchia - Retusidae
Retusa (Cylichnina) minuta
Retusa (Cylichnina) minuta snail
(= minima Sandb.)
 Trochoidea - Trochidae
Jujubinus subincrassatus, Jujubinus sp.
Jujubinus sp. Monterosato 1884 top snail
 Heterostropha - Pyramidellidae
Odostomia (Colpostomia) plicatula
 Neotaenioglossa - Calyptraeidae
Calyptraea striatella
Calyptraea striatella slipper shell
 Sorbeoconcha - Rissoidae
"Rissoa turbinata" = Turboella turbinata, "Alvania (Taramellia) duboisi" = Galeodinopsis semperi
"Rissoa turbinata" = Turboella turbinata Lamarck 1804 snail
"Alvania (Taramellia) duboisi" = Galeodinopsis semperi Wiechmann 1871 snail
 Sorbeoconcha - Naticidae
Polinices sp.
Polinices sp. Monfort 1810 moon snail
 Cerithioidea - Scaliolidae
Sandbergeria abscondita
 Cerithioidea - Brachytrematidae
Benoistia boblayi
 Cerithioidea - Batillariidae
"Pirenella plicata" = Granulolabium plicatum
"Pirenella plicata" = Granulolabium plicatum Bruguiére 1792 snail
 Cerithioidea - Cerithiidae
Hemicerithium dissitum, Bittium sublima
Bittium sublima cerith snail
 Cerithioidea - Potamididae
Tympanotonos conjunctus
 Cerithioidea - Thiaridae
Bayania semidecussata
Bayania semidecussata Lamarck 1804 snail
 Cerithioidea - Litiopidae
Alaba dubia
 Neritoidea - Neritidae
"Neritina (Vitta) duchasteli" = Vitta
"Neritina (Vitta) duchasteli" = Vitta snail
Bivalvia
 Cardiida - Veneridae
Veneridae indet., Callista splendida, Pelecyora (Cordiopsis) incrassata
Veneridae indet. Rafinesque 1815 venus clam
Callista splendida Mérian 1860 venus clam
Pelecyora (Cordiopsis) incrassata Nyst 1836 venus clam
 Cardiida - Cardiidae
Parvicardium scobinula
 Cardiida - Tellinidae
Tellina (Moerella) raulini
 Pholadida - Corbulidae
Corbula (Varicorbula) gibba, "Lentidium nitidum" = Lentidium (Ajanssenium) nitidum
Corbula (Varicorbula) gibba Oliva 1792 clam
C. (Varicorbula) gibba subpisum
"Lentidium nitidum" = Lentidium (Ajanssenium) nitidum Sowerby 1822 clam
 Lucinida - Lucinidae
Ctena squamosa, Parvilucina laureti, "Lucina" sp.
"Lucina" sp. Bruguière 1797 clam
 Arcida - Glycymerididae
Glycymeris angusticostata, Glycymeris sp.
Glycymeris sp. Da Costa 1778 clam
 Ostreida - Ostreidae
"Ostrea cyathula" = Crassostrea cyathula
"Ostrea cyathula" = Crassostrea cyathula Lamarck 1806 oyster
 Ostreida - Pteriidae
Pteria stampinensis
Pteria stampinensis pearl oyster
 Mytilida - Mytilidae
Septifer denticulatus