Montagne de la Taillade, Beauvoisin, cold seep mounds (Jurassic of France)

Also known as Reef 1165

Where: France (44.3° N, 5.2° E: paleocoordinates 35.2° N, 14.7° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Gregoryceras transversarium ammonoid zone, Terres Noires Formation, Middle Oxfordian (161.2 - 155.7 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; lithified marl

• cold seep carbonate mounds dominated by lucinids, up to 20 m in diameter and 15 m thick

Size classes: macrofossils, microfossils

Collection methods: Repository: Centre Commun des Collections de Géologie C3G, Université de Lyon 1 (FSL)

Primary reference: C. Gaillard, M. Rio, and Y. Rolin. 1992. Fossil chemosynthetic communities related to vents or seeps in sedimentary basins: The pseudobioherms of southeastern France compared to other world examples. Palaios 7:451-465 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 68189: authorized by Wolfgang Kiessling, entered by Uta Merkel on 08.01.2007, edited by Matthew Clapham and Mark Uhen

Creative Commons license: CC BY (attribution)

Taxonomic list

 Lyssakida -
Lyssakida indet.3 Zittel 1877 glass sponge
 Lychniscosa -
Lychniscosa indet.3 Schrammen 1903 glass sponge
"Demospongea indet." = Demospongiae3
"Demospongea indet." = Demospongiae3 Sollas 1875 demosponge
 Lithistida -
 Irregularia - Tithoniidae
Tithonia oxfordiana n. sp.1 Gaillard et al. 2011 sea urchin
Holothuroidea indet. de Blainville 1834 sea cucumber
Ophiuroidea indet. Gray 1840 brittle star
Crinoidea indet. Miller 1821 Sea lily
Ostracoda indet. Latreille 1802 ostracod
Crustacea indet. Brünnich 1772
Gastropoda indet. Cuvier 1795 snail
 Sorbeoconcha - Hokkaidoconchidae
Hokkaidoconcha novacula n. sp.2 Kiel et al. 2010 snail
 Sorbeoconcha - Paskentanidae
Paskentana umbilicata n. sp.2 Kiel et al. 2010 snail
 Lucinida - Lucinidae
Lucinidae indet. Fleming 1828 clam
Beauvoisina carinata n. gen. n. sp.2 Kiel et al. 2010 clam
Cephalopoda indet. Cuvier 1797
 Globigerinoidea - Globigerinidae
Globigerinidae indet. Carpenter et al. 1862
 Lituolida - Lituolidae
Textulariidae indet. Ehrenberg 1838
Ophthalmidium sp. Kübler and Zwingli 1870
 Spirillinina - Spirillinidae
Spirillinidae indet. Reuss and Fritsch 1861
 Nodosariida - Nodosariidae
Nodosariidae indet. Ehrenberg 1838