Ambleteuse, near Boulonnais (Jurassic of France)

Where: Pas de Calais, France (50.8° N, 1.6° E: paleocoordinates 41.6° N, 11.1° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

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

• Argiles de Châtillon (Upper Kimmeridgian, autissiodorensis Zone)

• formation-level stratigraphic resolution

Environment/lithology: marine; mudstone

• nearshore or shallow-shelf marine environment off the west coast of the London–Brabant Massive
• Argiles de Châtillon (Upper Kimmeridgian, autissiodorensis Zone)

Size class: macrofossils

Collected by A. Vadet in 1985

Collection methods: surface (in situ),

• Museum d'Histoire Naturelle de Boulogne sur Mer collection

Primary reference: S. Hua. 1999. Le crocodilien Machimosaurus mosae (Thalattosuchia, Teleosauridae) du Kimmeridgien du Boulonnais (Pas de Clais, France). Palaeontographica Abteilung A 252(4-6):141-170 [R. Benson/R. Benson]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 132799: authorized by Roger Benson, entered by Roger Benson on 27.08.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Reptilia
 Loricata -
Machimosaurus mosae
Machimosaurus mosae Sauvage and Lienard 1879 marine crocodile
BHN2R 1100 neotype partial skeleton