Gammal, Saint-Ambroix, Bed 37 (Jurassic of France)

Where: France (44.3° N, 4.2° E: paleocoordinates 32.5° N, 9.4° E)

• coordinate based on political unit

• local area-level geographic resolution

When: Planorbis (201.3 - 196.5 Ma)

• bed-level stratigraphic resolution

Environment/lithology: marl and gray limestone

• marl and gray marly limestone

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 39381: authorized by Wolfgang Kiessling, entered by Sabine Nürnberg on 27.05.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Polychaeta
 Sabellida - Serpulidae
Bivalvia
 Pectinida - Pectinoidae
 Pectinida - Limidae
 Ostreida - Gryphaeidae
Liostrea hisingeri, Liostrea gammalensis, Liostrea anomala, "Liogryphaea dumortieri" = Gryphaea, "Liogryphaea primordialis n. sp." = Gryphaea, ? Exogyra sp.
"Liogryphaea dumortieri" = Gryphaea oyster
"Liogryphaea primordialis n. sp." = Gryphaea oyster
? Exogyra sp. Say 1820 oyster
 Mytilida - Mytilidae
 Carditida - Astartidae
Opis sp. Defrance 1824 clam
 Carditida - Cardiniidae
 Pholadida - Corbulidae
 Cardiida - Arcticidae
 Cardiida - Tancrediidae
 Lucinida - Lucinidae
Cephalopoda
 Ammonitida - Psiloceratidae
Psiloceras planorbis Sowerby 1824 ammonite
 Ammonitida - Schlotheimiidae
Anthozoa
 Scleractinia - Montlivaltiidae
? Montlivaltia sp. Lamouroux 1821 stony coral
 Scleractinia - Oppelismiliidae
"Montlivaltia haimei" = Haimeicyclus haimei
"Montlivaltia haimei" = Haimeicyclus haimei Chapuis and Dewalque 1853 stony coral