Grignon (Merle collection) (Eocene of France)

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

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: NP15 nannofossil zone, Lutetian (47.8 - 41.3 Ma)

• The sediments from the "Falunière de Grignon" are correlated of the Middle Lutetian, according to the identification of biozone NP15 (Aubry 1985). They belong to the regional Zone III and the base of Zone IV of Abrard (1925) and correspond to parasequences A6-A10 of Gely (1996).

• group of beds-level stratigraphic resolution

Environment/lithology: open shallow subtidal; unlithified, calcareous sandstone and unlithified, glauconitic sandstone

Size class: macrofossils

Preservation: original aragonite

Collected by Merle; reposited in the MNHN

Primary reference: D. Merle and J. M. Pacaud. 2002. The Early Paleogene muricids (Mollusca, Neogastropoda) from the Oiching beds (Haunsberg area, Salzburg, Austria): revision and addition to the knowledge of the evolution of the Paleocene and Lower Eocene Foirieria. Mitteilungen der Bayerischen Staatssammlung für Paläontologie und historische Geologie 42:3-14 [M. Clapham/V. Maciel/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 184814: authorized by Matthew Clapham, entered by Matthew Clapham on 25.03.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

 Neogastropoda - Muricidae
Crassimurex calcitrapa Lamarck 1803 murex snail