Gammal, Saint-Ambroix, Bed 33 (Triassic of France)

Where: France (44.3° N, 4.2° E: paleocoordinates 30.9° N, 9.1° E)

• coordinate based on political unit

• local area-level geographic resolution

When: Rhaetian (208.5 - 201.3 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marine; gray limestone and dolomite

Size class: macrofossils

Preservation: cast, mold/impression, original aragonite, original calcite

Primary reference: P. de Brun and L. Vedel. 1919. Etude géologique et paléontologique des environs de St-Ambroix (Gard). Première partie (Houiller, Trias, Infralias). Imprimerie Générale, Nimes 1-220 [L. Villier/L. Villier/L. Villier]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 39366: authorized by Wolfgang Kiessling, entered by Sabine Nürnberg on 27.05.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Ostreida - Gryphaeidae
 Ostreida - Ostreidae
"Alectryonia haidingeriana" = Ostrea (Alectryonia)
"Alectryonia haidingeriana" = Ostrea (Alectryonia) oyster
 Ostreida - Pteriidae
Rhaetavicula contorta Portlock 1843 pearl oyster
Avicula contorta
 Mytilida - Mytilidae
 Carditida - Cardiniidae
? Cardinia sp. Edwards 1837 clam
Gastropoda
 Pleurotomariida - Pleurotomariidae
Pleurotomaria sp. Defrance 1826 snail
Actinopteri
 Semionotiformes - Semionotidae
Sargodon tomicus Plieninger 1847
Ophiuroidea
 Ophiurida - Ophiodermatidae
"Ophioderma gaveyi" = Palaeocoma milleri
"Ophioderma gaveyi" = Palaeocoma milleri Phillips 1829 brittle star
Echinoidea
 Cidaroida - Miocidaridae
Miocidaris sp. Döderlein 1887 pencil urchin