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

Hexactinellida
 Lyssakida -
Lyssakida indet.3 Zittel 1877 glass sponge
 Lychniscosa -
Lychniscosa indet.3 Schrammen 1903 glass sponge
Demospongea
  -
"Demospongea indet." = Demospongiae3
"Demospongea indet." = Demospongiae3 Sollas 1875 demosponge
Demospongiae
 Lithistida -
Echinoidea
 Irregularia - Tithoniidae
Tithonia oxfordiana n. sp.1 Gaillard et al. 2011 sea urchin
Holothuroidea
  -
Holothuroidea indet. de Blainville 1834 sea cucumber
Ophiuroidea
  -
Ophiuroidea indet. Gray 1840 brittle star
Crinoidea
  -
Crinoidea indet. Miller 1821 Sea lily
Deuteropoda
  -
Ostracoda indet. Latreille 1802 ostracod
Crustacea
  -
Crustacea indet. Brünnich 1772
Gastropoda
  -
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
Bivalvia
 Lucinida - Lucinidae
Lucinidae indet. Fleming 1828 clam
Beauvoisina carinata n. gen. n. sp.2 Kiel et al. 2010 clam
Cephalopoda
  -
Cephalopoda indet. Cuvier 1797
Protozoa
  -
Foraminifera
 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
Nodosariata
 Nodosariida - Nodosariidae
Nodosariidae indet. Ehrenberg 1838