Pontonx, Aquitaine (Oligocene of France)

Where: France (43.8° N, 0.9° W: paleocoordinates 43.6° N, 3.7° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Chattian (28.1 - 23.0 Ma)

• STRATIGRAPHIC RELATIONS: Unknown lithostratigraphic data. THICKNESS: From unit of unknown thickness AGE: Chattian. STRATIGRAPHIC POSITION: Unknown position within section.

• formation-level stratigraphic resolution

Environment/lithology: marine; unlithified siliciclastic sediments

• ENVIRONMENT: Unknown.
• SPECIFIC LITHOLOGY: Unknown LITHIFICATION: Unlithified, assumed based of figured specimens, excellent preservation, free of sediment.

Size class: macrofossils

Preservation: original aragonite

Reposited in the MNHN

• COLLECTORS: Unknown. REPOSITORY: MNHN, Paris.

Primary reference: P. Lozouet. 1998. Nouvelles espéces de gastéropodes (Mollusca: Gastropoda) de L'Oligocéne et di Miocéne inférieur de"Aquitaine (sud-ouest de la France). Cossmanniana 5(3-4):61-102 [A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 74856: authorized by Austin Hendy, entered by Austin Hendy on 31.08.2007, edited by Mihaela Krause

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Limited to some families of Gastropoda. NOMENCLATURE: Authoritive publication with species level assignments.
Gastropoda
 Cavolinioidea - Cuvierinidae
 Thecosomata - Limacinidae
Limacina "sp. 2" Bosc 1817 snail
 Sorbeoconcha - Rissoidae
Alvania hortensis n. sp. Lozouet 1998 snail
 Cerithioidea - Scaliolidae
Clatrofenella intermedia n. sp. Lozouet 1998 snail
 Cerithioidea - Cerithiidae
Cerithidium plebeium n. sp. Lozouet 1998 cerith snail
 Lepetellida - Scissurellidae
Sinezona haliotimorpha n. sp. Lozouet 1998 snail