Courtagnon (Lamarck collection) (Eocene of France)

Where: France (49.1° N, 3.9° E: paleocoordinates 46.0° N, 0.3° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Lutetian (47.8 - 41.3 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: calcareous sandstone

Size class: macrofossils

Reposited in the MNHN

• Repository: Lamarck collection (some Lamarck types are at MNHN Paris, but other parts of his collection are at the Musée d'Histoire Naturelle Genève)

Primary reference: J. B. Lamarck. 1802. Suite des mémoires sur les fossiles des environs de Paris. Annales du Muséum National d'Histoire Naturelle 1:383-391 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 184112: authorized by Matthew Clapham, entered by Matthew Clapham on 01.02.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Nautilida - Hercoglossidae
"Nautilus lamarckii" = Cimomia imperialis1
"Nautilus lamarckii" = Cimomia imperialis1 Sowerby 1812 nautiloid
Gastropoda
 Trochoidea - Turbinidae
Delphinula lima n. sp.5 Lamarck 1804 snail
 Neritoidea - Neritidae
Nerita conoidea11 Lamarck 1804 snail
 Cerithioidea - Cerithiidae
"Cerithium serratum" = Serratocerithium serratum6 Bruguière 1789 cerith snail
Cerithium hexagonum6 Bruguière 1792 cerith snail
Cerithium tuberculosum n. sp.7 Lamarck 1804 cerith snail
Cerithium thiara7 Lamarck 1804 cerith snail
Cerithium vittatum n. sp.6 Lamarck 1804 cerith snail
Cerithium clavatulatum6 Lamarck 1804 cerith snail
 Cerithioidea - Thiaridae
"Melania lactea" = Bayania lactea9
"Melania lactea" = Bayania lactea9 Bruguière 1792 snail
 Cerithioidea - Turritellidae
"Turritella imbricataria" = Haustator imbricataria8
"Turritella imbricataria" = Haustator imbricataria8 Lamarck 1804 turret shell
 Sorbeoconcha - Naticidae
Natica labellata11 Lamarck 1804 moon snail
Ampullaria acuta10 Lamarck 1804 moon snail
 Neogastropoda - Nassariidae
Fusus heptagonus n. sp.4 Lamarck 1803 snail
 Neogastropoda - Melongenidae
"Fusus bulbiformis" = Sycostoma bulbiforme4
"Fusus bulbiformis" = Sycostoma bulbiforme4 Lamarck 1803 snail
 Neogastropoda - Conidae
Conus turritus n. sp., "Conus antidiluvianus" = Conilithes antidiluvianus
Conus turritus n. sp. Lamarck 1802 cone shell
"Conus antidiluvianus" = Conilithes antidiluvianus Bruguière 1792 cone shell
 Neogastropoda - Olividae
Ancilla olivula2 Lamarck 1802 olive snail
 Neogastropoda - Volutidae
Voluta crenulata n. sp.2, Voluta lyra n. sp.2, "Voluta muricina n. sp." = Volutilithes muricinus2, "Voluta musicalis" = Plejona musicalis2, "Voluta costaria" = Eopsephaea costaria2
Voluta crenulata n. sp.2 Lamarck 1802 volute
Voluta lyra n. sp.2 Lamarck 1802 volute
Lamarck inferred location from chalky shell and nature of sand
"Voluta muricina n. sp." = Volutilithes muricinus2 Lamarck 1802 volute
"Voluta musicalis" = Plejona musicalis2 Lamarck 1802 volute
"Voluta costaria" = Eopsephaea costaria2 Lamarck 1802 volute
 Neogastropoda - Muricidae
Murex cingulatus n. sp.3 Lamarck 1803 murex snail
 Sorbeoconcha - Strombidae
Rostellaria macroptera3 Lamarck 1803 true conch
 Sorbeoconcha - Ficidae
Pyrula laevigata4 Lamarck 1803 fig shell