La Cabosse prés Assignan (Ordovician to of France)

Where: Languedoc-Roussillon, France (43.3° N, 2.9° E: paleocoordinates 61.7° S, 99.7° E)

• coordinate based on nearby landmark

When: Taihungshania miqueli trilobite zone, Layer H Member (Couches de la Maurerie Formation), Tremadocian to Tremadocian (485.4 - 470.0 Ma)

• Taihungshania miqueli acme Subzone, faunizone “H”= IGCP 410 TS 1c-d, latest Tremadocian– TS 2a earliest Floian

Environment/lithology: deep subtidal shelf; nodular, black, silty, cherty/siliceous shale and sandstone

• a succession consisting of an alternation of sandstones and shales bearing centimetric scale siliceous nodules

Size class: macrofossils

Preservation: cast, original aragonite

Primary reference: B. Kröger and D. H. Evans. 2011. Review and paleoecological analysis of the late Tremadocian – early Floian (Early Ordovician) cephalopod fauna of the Montagne Noire, France. Fossil Record 14(1):5-34 [B. Kröger/B. Kröger]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 101712: authorized by Björn Kröger, entered by Björn Kröger on 30.12.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Ellesmerocerida - Rioceratidae
Rioceras escandei Thoral 1935
 Ellesmerocerida - Eothinoceratidae