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, 11.0° 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


•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 Matthew Carrano, Roger Benson and Jonathan Tennant

Creative Commons license: CC BY (attribution)

Taxonomic list

 Dinosauria -
Dinosauria indet.3 dinosaur
MHNB 283 (AN 283)
 Saurischia -
Iguanodon praecursor3 Sauvage 1876 sauropod
MNHB 230 (AN 326)
 Pterosauria -
Pterodactylus suprajurensis n. sp. Sauvage 1873 pterosaur
Partial coracoid, humerus, two fragmentary wing bones
 Pterosauria - Rhamphorhynchidae
? Rhamphorhynchidae indet.1 Seeley 1870 pterosaur
"Thin-walled bones"
 Loricata -
"Machimosaurus ferox" = Machimosaurus hugii5
"Machimosaurus ferox" = Machimosaurus hugii5 Meyer 1837 marine crocodile
 Loricata - Metriorhynchidae
Dakosaurus maximus7 Plieninger 1846 marine crocodile
NHMUK PV OR 32414, SMNS 57210, both isolated teeth; also SMNS 56999: partial maxilla
 Sauropterygia - Polycotylidae
Polycotylus suprajurensis n. sp.4 Sauvage 1876 plesiosaur
MNHB 283
 Sauropterygia -
Plesiosaurus morinicus n. sp.6, "Thaumatosaurus carinatus n. sp." = Plesiosaurus carinatus2
Plesiosaurus morinicus n. sp.6 plesiosaur
MNHB 295
"Thaumatosaurus carinatus n. sp." = Plesiosaurus carinatus2 Cuvier 1824 plesiosaur
Holotype cervical vertebra (figured by Sauvage in the ' Ann. Sci. Nat.'—Zool. ser. 6, vol. viii. pi. xxvi. fig. 2 (1879)), plus BMNH 37300 (two posterior cervical vertebrae) and 32778 (pectoral vertebra) referred by Lyedkker (1889, p. 169)
 Sauropterygia - Pliosauridae
Pliosaurus macromerus2 Phillips 1871 plesiosaur
BMNH 32775, fragment of a cranium, purchased, but no further collection data given