Falunière of Grignon Unlithified Sample 2 (Eocene of France)

Where: Yvelines, France (48.8° N, 1.9° E: paleocoordinates 45.7° N, 1.6° W)

When: 5b Member (Banc à verrins Formation), Lutetian (47.8 - 41.3 Ma)

• Middle Lutetian

• group of beds-level stratigraphic resolution

Environment/lithology: unlithified, glauconitic, calcareous sandstone

• Glauconitic with bioclasts and grains of quartz filling micro-channels, Campanile giganteum, lithified agregates

Size class: macrofossils

Primary reference: M. T. Sanders, D. Merle, and L. Villier. 2015. The molluscs of the “Falunière” of Grignon (Middle Lutetian, Yvelines, France): quantification of lithification bias and its impact on the biodiversity assessment of the Middle Eocene of Western Europe. Geodiversitas 37(3):345-365 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 177971: authorized by Pete Wagner, entered by Pete Wagner on 12.04.2016

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Gastropoda
 Heterostropha - Acteonidae
 Heterostropha - Ringiculidae
 Trochoidea - Solariellidae
 Trochoidea - Colloniidae
"Collonia (Cirsochilus) grignonensis" = Cirsochilus
"Collonia (Cirsochilus) grignonensis" = Cirsochilus snail
 Heterostrophia -
 Cerithioidea - Cerithiidae
 Cerithioidea - Turritellidae
Omalaxis bifrons Lamarck 1804 turret shell
Sigmesalia multisulcata Lamarck 1804 turret shell
 Cerithioidea - Diastomatidae
 Epitonioidea - Epitoniidae
"Amaea (Acrilla) perangusta" = Acrilla
"Amaea (Acrilla) perangusta" = Acrilla wentletrap
 Sorbeoconcha - Naticidae
Natica specialis moon snail
"Natica epiglottina" = Cochlis epiglottina Lamarck 1804 moon snail
Amauropsina canaliculata Lamarck 1804 moon snail
 Sorbeoconcha - Rissoidae
"Rissoina clavula" = Rissoina (Rissoina) clavula
"Rissoina clavula" = Rissoina (Rissoina) clavula Deshayes 1825 snail
 Neogastropoda - Fasciolariidae
 Neogastropoda - Drilliidae
Drillia sp. Gray 1838 snail
 Neogastropoda - Clavatulidae
 Neogastropoda - Raphitomidae
 Neogastropoda - Turridae
Turridae "indet. 3" Swainson 1840 turrid
Turridae "indet. 5" Swainson 1840 turrid
Turridae "indet. 2" Swainson 1840 turrid
Eopleurotoma bicatena Lamarck 1804 turrid
 Neogastropoda - Borsoniidae
"Pseudotoma coronata" = Genota (Pseudotoma)
"Pseudotoma coronata" = Genota (Pseudotoma) snail
 Neogastropoda - Olividae
 Neogastropoda - Ancillariidae
 Neogastropoda - Costellariidae
 Neogastropoda - Marginellidae
"Stazzania sp." = Marginella (Stazzania)
"Stazzania sp." = Marginella (Stazzania) Sacco 1889 margin shell
 Neogastropoda - Volutidae
 Neogastropoda - Cystiscidae
 Neogastropoda - Strepsiduridae
 Sorbeoconcha - Strombidae
"Ectinochilus canalis" = Rimella canalis, Rimella fissurella
"Ectinochilus canalis" = Rimella canalis Coquebert and Brongniart 1793 true conch
Rimella fissurella Linnaeus 1767 true conch
 Pseudomelanoidea - Pseudomelaniidae
Bivalvia
 Ostreida - Ostreidae
Cubitostrea plicata Solander 1766 oyster
 Arcida - Arcidae
Trigonodesma lissa Bayan 1873 clam
Arca sp. Linnaeus 1758 ark
 Arcida - Glycymerididae
Glycymeris sp. Da Costa 1778 clam
Glycymeris pulvinata Lamarck 1805 clam
Glycymeris dispar Defrance 1826 clam
 Arcida - Limopsidae
"Limopsis (Pectunculina) granulata" = Limopsis
"Limopsis (Pectunculina) granulata" = Limopsis clam
 Cardiida - Cardiidae
"Cardium (Loxocardium) obliquum" = Loxocardium obliquum, Cardium sp.
"Cardium (Loxocardium) obliquum" = Loxocardium obliquum Lamarck 1805 cockle
/Cardium (Loxocardium) obliquum bouei
Cardium sp. Linnaeus 1758 cockle
 Cardiida - Tellinidae
"Tellina (Elliptotellina) tellinella" = Elliptotellina tellinella
"Tellina (Elliptotellina) tellinella" = Elliptotellina tellinella Lamarck 1806 tellin clam
 Cardiida - Veneridae
Costacallista laevigata Lamarck 1806 venus clam
Tivelina gibbosula Deshayes 1857 venus clam
 Pholadida - Corbulidae
Caryocorbula striata Lamarck 1801 clam
Varicorbula minuta Deshayes 1824 clam
 Lucinida - Lucinidae
Parvilucina pusilla Deshayes 1857 clam
 Carditida - Crassatellidae
 Carditida - Condylocardiidae
 Carditida - Carditidae
Cardita sp. Bruguière 1792 clam