Gaas (Oligocene of France)

Where: Aquitaine, France (43.6° N, 1.0° W: paleocoordinates 43.1° N, 4.1° W)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Rupelian (33.9 - 28.1 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified marl and lithified limestone

• marls and marly sandstones with some limestone banks; no true reefs

Size class: macrofossils

Primary reference: J. P. Chevalier. 1956. Les polypiers anthozoaires du Stampien de Gaas (Landes) [Stampian corals from Gaas (Landes)]. Bulletin de la Societe d'Histoire Naturelle de Toulouse 90:375-410 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 92231: authorized by Wolfgang Kiessling, entered by Uta Merkel on 04.11.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

Anthozoa
 Scleractinia - Smilotrochiidae
"Pattalophyllia subcurvata" = Ilariosmilia subcurvata
"Pattalophyllia subcurvata" = Ilariosmilia subcurvata Reuss 1864 stony coral
 Scleractinia - Poritidae
Porites parisiorum stony coral
Porites parisiorum tertia decima
Porites oligocenica n. sp. Chevalier 1956 stony coral
Porites matheroni n. sp. Chevalier 1956 stony coral
"Dictyaraea elegans" = Goniopora elegans Leymerie 1846 stony coral
Dictyaraea garauxi n. sp. Chevalier 1956 stony coral
Dictyaraea gaasensis n. sp. Chevalier 1956 stony coral
Dictyaraea poritoides n. sp. Chevalier 1956 stony coral
 Scleractinia - Astrocoeniidae
"Platycoenia palmata" = Astrocoenia palmata
"Platycoenia palmata" = Astrocoenia palmata Catullo 1856 stony coral
 Scleractinia - Acroporidae
Dendracis mammillosa, Acropora pachymorpha n. sp., "Acropora haidingeri" = Acropora haidingeri, "Acropora pseudolavandulina n. sp." = Acropora haidingeri
Dendracis mammillosa Reuss 1868 stony coral
Acropora pachymorpha n. sp. Chevalier 1956 stony coral
"Acropora haidingeri" = Acropora haidingeri Reuss 1864 stony coral
"Acropora pseudolavandulina n. sp." = Acropora haidingeri Reuss 1864 stony coral
 Scleractinia - Pocilloporidae
Stylophora conferta Reuss 1868 stony coral
Stylophora thirsiformis Michelotti 1847 stony coral
Stylophora cf. distans Leymerie 1846 stony coral
Stylophora gaasensis n. sp. Chevalier 1956 stony coral
Stylophora ramulosa n. sp. Chevalier 1956 stony coral
 Scleractinia - Rhizangiidae
Rhizangia brevissima Deshayes 1834 stony coral
 Scleractinia - Faviidae
"Favites tenera" = Colpophyllia stellata Catullo 1856 stony coral
Tarbellastraea edwardsi n. sp. Chevalier 1956 stony coral
Tarbellastraea ovalis von Guembel 1861 stony coral
Cladocora gaasensis n. sp. Chevalier 1956 stony coral
 Scleractinia - Caryophylliidae
Parasmilia jusani n. sp. Chevalier 1956 stony coral
 Scleractinia - Turbinoliidae
Bathycyathus matheroni n. sp. Chevalier 1956 stony coral