Bugey, Cerin (Jurassic of France)

Also known as Cirin

Where: Auvergne-Rhône-Alpes, France (45.8° N, 5.5° E: paleocoordinates 36.7° N, 14.8° E)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Kimmeridgian (157.3 - 152.1 Ma)

• bed-level stratigraphic resolution

Environment/lithology: lagoonal or restricted shallow subtidal; lime mudstone

• lithographic limestone

Size class: macrofossils

Preservation: adpression

Collected by Thiollière

Primary reference: H. von Meyer. 1851. Description de l’Atoposaurus jourdani et du Sapheosaurus thiollierei, reptiles fossiles des calcaires lithographiques du Bugey. In M. V. Thiolliere (ed.), Seconde notice sur le gisement et sur les corps organises fossiles des calcaires lithographiques dans le Jura du departement de l'Ain 5-19 [P. Barrett/T. Cleary]more details

Purpose of describing collection: taphonomic analysis

PaleoDB collection 191086: authorized by Matthew Carrano, entered by Matthew Carrano on 08.01.2018

Creative Commons license: CC BY (attribution)

Taxonomic list

 Loricata - Atoposauridae
Atoposaurus jourdani n. gen. n. sp.
Atoposaurus jourdani n. gen. n. sp. Meyer 1850 crocodilian
MHNL 15679 - holotype; referred specimen: MHNL 15680
 Rhynchocephalia - Sapheosauridae
Sapheosaurus thiollierei n. gen. n. sp.
Sapheosaurus thiollierei n. gen. n. sp. von Meyer 1851 rhynchocephalian
Holotype MNHNL no. 15672 (part) and 15673 (counterpart), complete skeleton minus skull; MHNL 15645 and 15291 (part and counterpart), nearly complete skeleton; 15649, nearly complete skeleton (see also ref. 57877)
 Rhynchocephalia - Homoeosauridae
Ischnosaurus gervaisii n. gen. n. sp.
Ischnosaurus gervaisii n. gen. n. sp. Thiollière 1856 rhynchocephalian