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

Show authors, comments, and common names
Echinoidea
 Pedinoida - Pedinidae
Palaeopedina minima, Diademopsis micropora, Diademopsis aequituberculata, Diademopsis jauberti, Diademopsis microtuberculata, Diademopsis serialis
Diademopsis serialis Agassiz 1838 sea urchin
 Cidaroida - Miocidaridae
Miocidaris lorioli
Miocidaris lorioli pencil urchin
Polychaeta
 Sabellida - Serpulidae
Serpula quinquesulcata
Rhynchonellata
 Rhynchonellida - Wellerellidae
"Rhynchonella plicatissima" = Calcirhynchia plicatissima
"Rhynchonella plicatissima" = Calcirhynchia plicatissima Quenstedt 1852
 Terebratulida - Terebratulidae
"Terebratula" sp.
"Terebratula" sp. Müller 1776
 Terebratulida - Zeilleriidae
Zeilleria perforata
Zeilleria perforata Piette 1856
Bivalvia
 Ostreida - Gryphaeidae
Liostrea gammalensis
 Pectinida - Limidae
Plagiostoma valoniense
 Pectinida - Plicatulidae
Plicatula deslongchampsi, Plicatula hettangiensis
Plicatula hettangiensis Terquem 1857 scallop
 Pectinida - Pectinoidae
"Chlamys valoniensis" = Praechlamys valoniensis, Chlamys thiollierei, ? Chlamys sp., Chlamys aff. falgeri
"Chlamys valoniensis" = Praechlamys valoniensis Defrance 1825 scallop
? Chlamys sp. Röding 1798 scallop
 Mytilida - Mytilidae
Modiolus lusitanica, Modiolus romani n. sp., Modiolus producta
Modiolus romani n. sp. mussel
 Pholadida - Corbulidae
? Corbula terquemi
 Cardiida - Glossidae
Isocardia sp.
Isocardia sp. Lamarck 1799 clam
 Pholadomyida - Pholadomyidae
Goniomya gammalensis, Pholadomya glabra, Pholadomya avellana, Pholadomya aff. foliacea
Gastropoda
 Trochoidea - Turbinidae
? Turbo sp.
? Turbo sp. Linnaeus 1758 snail
 Trochoidea - Trochidae
? Calliostoma aff. deshayesi
 Pleurotomarioidea - Pleurotomariidae
Pleurotomaria (Cryptaenia) aff. planula, Pleurotomaria aff. metzertensis, Pleurotomaria aff. basilica, Pleurotomaria aff. trocheata, Pleurotomaria aff. anglica, Pleurotomaria aff. cognata
Pleurotomaria aff. anglica Sowerby 1818 snail
Pleurotomaria aff. cognata Chapuis and Dewalque 1853 snail
 Ptychomphaloidea - Ptychomphalidae
Ptychomphalus aff. jamoignacus, "Pleurotomaria (Cryptaenia) rotellaeformis" = Ptychomphalus rotellaeformis, "Pleurotomaria (Cryptaenia) caepa" = Ptychomphalus caepa
"Pleurotomaria (Cryptaenia) rotellaeformis" = Ptychomphalus rotellaeformis Dunker 1847 snail
"Pleurotomaria (Cryptaenia) caepa" = Ptychomphalus caepa Deslongchamps 1848 snail
 Seguenzioidea - Eucyclidae
Eucyclus sp.
Eucyclus sp. Eudes-Deslongchamps 1860 snail
Chartronia
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Chartronia aff. digoniata