Gammal, Saint-Ambroix, Bed 36 (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: yellow limestone

• yellowish 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 39380: 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
"Chlamys valoniensis" = Praechlamys valoniensis Defrance 1825 scallop
? Chlamys sp. Röding 1798 scallop
 Pectinida - Limidae
 Pectinida - Plicatulidae
 Ostreida - Gryphaeidae
 Mytilida - Mytilidae
 Pholadida - Corbulidae
 Cardiida - Glossidae
"Isocardia sp." = Glossus
"Isocardia sp." = Glossus Poli 1795 clam
 Pholadomyida - Pholadomyidae
Gastropoda
 Ptychomphaloidea - Ptychomphalidae
Ptychomphalus aff. jamoignacus, "Pleurotomaria (Cryptaenia) caepa" = Ptychomphalus caepa, "Pleurotomaria (Cryptaenia) rotellaeformis" = Ptychomphalus rotellaeformis
"Pleurotomaria (Cryptaenia) caepa" = Ptychomphalus caepa Deslongchamps 1848 snail
"Pleurotomaria (Cryptaenia) rotellaeformis" = Ptychomphalus rotellaeformis Dunker 1847 snail
 Turbinoidea - Turbinidae
? Turbo sp. Linnaeus 1758 snail
 Pleurotomariida - Pleurotomariidae
 Seguenzioidea - Eucyclidae
Eucyclus sp. Eudes-Deslongchamps 1860 snail
 Trochoidea - Trochidae
Cephalopoda
 Ammonitida - Hammatoceratidae
"Chartronia aff. digoniata" = Hammatoceras
"Chartronia aff. digoniata" = Hammatoceras ammonite
Echinoidea
 Cidaroida - Miocidaridae
Miocidaris lorioli pencil urchin
 Pedinoida - Pedinidae
Rhynchonellata
 Terebratulida - Zeilleriidae
Zeilleria perforata Piette 1856
 Terebratulida - Terebratulidae
"Terebratula" sp. Müller 1776
 Rhynchonellida - Wellerellidae
"Rhynchonella plicatissima" = Calcirhynchia plicatissima
"Rhynchonella plicatissima" = Calcirhynchia plicatissima Quenstedt 1852