Tuilerie de Gan (Merle collection) (Eocene of France)

Where: France (43.2° N, 0.4° W: paleocoordinates 38.6° N, 1.9° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Marnes de Gan Formation, Ypresian (56.0 - 47.8 Ma)

• Middle-Late Ypresian / Top NP 12 and NP 13 zone

• group of beds-level stratigraphic resolution

Environment/lithology: offshore shelf; unlithified, gray marl and claystone

• circalittoral, quiet environment, whereas the upper part represents inner neritic environments.
• greyish-blue marls and clays, locally a little sandy

Size classes: macrofossils, mesofossils

Preservation: original aragonite

Collected by D. Merle; reposited in the MNHN

• Repository: Pteropod and other holoplanktic gastropods at Netherlands Centre for Biodiversity Naturalis, Department of Geology, Leiden

Primary reference: B. Cahuzac and A. W. Janssen. 2010. Eocene to Miocene holoplanktonic Mollusca (Gastropoda) of the Aquitaine Basin, southwest France. Scripta geologica 141:1-193 [W. Kiessling/M. Krause]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 183748: authorized by Matthew Clapham, entered by Matthew Clapham on 15.01.2017

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Gastropoda
 Thecosomata -
Euchilotheca ganensis
Euchilotheca ganensis Curry 1982 snail
 Thecosomata - Limacinidae
Limacina gormani, Heliconoides auriformis, Altaspiratella bearnensis
Limacina gormani Curry 1982 snail
Heliconoides auriformis Curry 1982 snail
Altaspiratella bearnensis Curry 1982 snail
 Sorbeoconcha - Eratoidae
Eratotrivia platystoma1
Eratotrivia platystoma1 Edwards 1854 snail
 Sorbeoconcha - Eocypraeidae
"Eocypraea (Eocypraea) moumieti" = Sulcocypraea moumieti1, "Eocypraea rouaulti" = Luponovula rouaulti1, "Prionovolva (Grovesia) ganensis" = Grovesia ganensis2
"Eocypraea (Eocypraea) moumieti" = Sulcocypraea moumieti1 Dolin and Dolin 1983 snail
"Eocypraea rouaulti" = Luponovula rouaulti1 Cossmann 1923 snail
"Prionovolva (Grovesia) ganensis" = Grovesia ganensis2 Dolin and Ledon 2002 snail
 Neogastropoda - Ancillariidae
Micrancilla guanensis n. sp.3, Amalda beneharniana n. sp.3
Micrancilla guanensis n. sp.3 Pacaud et al. 2013 snail
Amalda beneharniana n. sp.3 Pacaud et al. 2013 snail
1Dolin and Dolin 1983; 2Dolin and Ledon 2002; 3Pacaud et al. 2013