Chaumont (Lamarck collection) (Eocene of France)

Where: France (49.3° N, 1.9° E: paleocoordinates 46.1° N, 1.7° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Lutetian (47.8 - 41.3 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: carbonate

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 1:474-479 [A. Hendy/A. Hendy/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 184116: authorized by Matthew Clapham, entered by Matthew Clapham on 02.02.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Nautilida - Hercoglossidae
"Nautilus lamarckii" = Cimomia imperialis1
"Nautilus lamarckii" = Cimomia imperialis1 Sowerby 1812 nautiloid
Gastropoda
 Cerithioidea - Cerithiidae
Cerithium spiratum n. sp.3 Lamarck 1804 cerith snail
 Cerithioidea - Turritellidae
Turritella terebellata n. sp.4, "Turritella imbricataria" = Haustator imbricataria4
Turritella terebellata n. sp.4 Lamarck 1804 turret shell
"Turritella imbricataria" = Haustator imbricataria4 Lamarck 1804 turret shell
 Sorbeoconcha - Cassidae
"Cassis cancellata" = Cassis (Morionella) verrucosa2
"Cassis cancellata" = Cassis (Morionella) verrucosa2 Perry 1810 snail
 Neogastropoda - Volutidae
Voluta bicorona n. sp. Lamarck 1802 volute