ammonites
Boulogne-sur-Mer (general) (Jurassic of France)

Also known as Boulonnais

Where: Nord-Pas-de-Calais, France (50.7° N, 1.6° E: paleocoordinates 41.5° N, 11.1° E)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Aulacostephanus autissiodorensis ammonoid zone, Argiles de Châtillon Formation, Late/Upper Kimmeridgian (155.7 - 150.8 Ma)

• Autissiodorensis zone

•Boulogne-sur-Mer,

•Pas-de-Calais, France, Argiles de Châtillon Formation (A. autissiodorensis Sub-Boreal Zone) [Young et al. 2012]

•Called "Kimmeridge Clay" in older literature

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Collected by Dutertre-Delporte; reposited in the BMNH

Collection methods: mechanical,

• Most of collection is in the Musée d'Histoire Naturelle de Boulogne.

Primary reference: H.-E. Sauvage. 1873. Notes sur les reptiles fossiles. Bulletin de la Société Géologique de France, série 3 1:365-386 [R. Butler/R. Butler/M. Carrano] more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 94534: authorized by Richard Butler, entered by Richard Butler on 25.02.2010, edited by Matt Carrano and Roger Benson

Creative Commons license: CC BY (attribution)