Ravin du Chénier (Jurassic of France)

Also known as Chénier Ravine

Where: Auvergne-Rhône-Alpes, France (44.8° N, 4.8° E: paleocoordinates 35.2° N, 14.7° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Gracilis ammonoid zone, Early/Lower Callovian (164.7 - 161.2 Ma)

• Lower Callovian Gracilis Zone

• group of beds-level stratigraphic resolution

Environment/lithology: slope or ramp reef; marl

• "carbonate platform and the adjoining slope in the upper bathyal zone at a water depth exceeding 200 m"
• Marly layers

Size class: macrofossils

Collected by H. Hess in the 1950s

• Natural History Museum Basel (Switzerland).

Primary reference: H. Hess. 2012. Crinoids from the Middle Jurassic (Bajocian–Lower Callovian) of Arde`che, France. Swiss Journal of Palaeontology 131:121-253 [P. Novack-Gottshall/P. Novack-Gottshall]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 225719: authorized by Phil Novack-Gottshall, entered by Phil Novack-Gottshall on 25.05.2022

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Porifera indet. Grant 1836
Siliceous
Crinoidea
 Cyrtocrinida - Eudesicrinidae
Dolichocrinus aberrans de Loriol 1882 Sea lily
2 cups
 Cyrtocrinida - Phyllocrinidae
Phyllocrinus colloti de Loriol 1882 Sea lily
9 cups
 Cyrtocrinida - Eugeniacrinitidae
Lonchocrinus dumortieri de Loriol 1882 Sea lily
6 cups
Eugeniacrinites dumortieri Sea lily
12 cups
 Cyrtocrinida - Sclerocrinidae
Cyrtocrinus praenutans Hess 2012 Sea lily
118 cups, including specimens previously ascribed to different species
 Isocrinida - Isocrinidae
Balanocrinus inornatus d'Orbigny 1850 Sea lily
3 columnals
Balanocrinus dumortieri de Loriol 1887 Sea lily
3 columnals
 Cladida - Cyclocrinidae
Cyclocrinus rugosus d'Orbigny 1841 Sea lily
3 columnals