Beaulieu Fm., Patures Mbr., vicinity of Ferques, Bas-Boulonnais (Devonian of France)

Where: France (50.8° N, 1.8° E: paleocoordinates 22.1° S, 3.5° E)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Patures Member (Beulieu Formation), Frasnian (382.7 - 372.2 Ma)

• middle asymmetricus conodont zone

• member-level stratigraphic resolution

Environment/lithology: marine; shale

• "The Blacourt Formation is a compact, massive bedded, black fossiliferous marine limestone, with argillaceous layers and some small reefs in the Griset Member. The lower [Cambreseque] and upper [Patures] member of the Beaullieu Formation are mainly terrigenous ["shale" mentioned in figure caption], except for its lowest beds, the so-called Cedule Limestone. The middle [Noces] member consists of dolomite lenses, passing upward into shales, and to a reef build-up capped by fossiliferous limestones. The base of the lower [Fiennes] member of the succeeding Ferques Formation is a biostromal dolomite overlain by yellow, then brownis-dark dolomite and dolomitic sandstones. These are overlain by the fully marine fossiliferous Ferques Limestone. The lower part of the [second-from-bottom] Bois Member and the upper part of the [third-from-bottom] Parisienne Member are biostromal. In the upper [Gris] member, sediments are more argillaceous..."

Primary reference: P. Morzadec, D. Brice, C. Cygan, R. Feist, C. Majeste-Menjoulas, F. Paris, and P. R. Racheboeuf. 2000. The Devonian of France: a tentative tie with the GSSP of the Devonian stages. Courier Forschungs-Institut Senckenberg 225:115-129 [M. Foote/M. Foote/M. Foote]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 38687: authorized by Michael Foote, entered by Michael Foote on 28.04.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Phacopida - Acastidae
Bradocryphaeus "sp. 2"6 Haas and Mensink 1970 trilobite
Bivalvia
 Carditida - Cardiniidae
Stenolaemata
 Trepostomata - Atactotoechidae
Echinoidea
  - Archaeocidaridae
? Archaeocidaris sp.4 M'Coy 1844 sea urchin
Crinoidea
  -
Crinoidea indet.4 Miller 1821 Sea lily
Le Menn has given formal names to several columnal taxa.
Strophomenata
 Productida - Araksalosiidae
 Productida - Chonetidae
 Orthotetida - Areostrophiidae
 Strophomenida - Douvillinidae
 Strophomenida - Leptostrophiidae
Rhynchonellata
 Athyridida - Athyrididae
 Terebratulida - Cranaenidae
 Spiriferinida - Cyrtinidae
 Spiriferida - Cyrtospiriferidae
 Spiriferida - Echinospiriferidae
 Spiriferida - Adolfiidae
 Spiriferida - Mucrospiriferidae
 Pentamerida - Gypidulidae
"Metabolipa meatsi n. sp." = Gypidula3
"Metabolipa meatsi n. sp." = Gypidula3
 Atrypida - Atrypidae
 Rhynchonellida - Pugnacidae
 Rhynchonellida - Platyterorhynchidae
 Orthida - Draboviidae
 Orthida - Schizophoriidae
Schizophoria striatula3 von Schlotheim 1813
 Orthida - Rhipidomellidae
 Orthida - Dalmanellidae
Anthozoa
 Auloporida - Aulocystidae
Aulocystis sp.5 Schl├╝ter 1885 tabulate coral
"Plexituba" briceae5 tabulate coral
"Plexituba" cf. briceae5 tabulate coral
 Auloporida - Auloporidae
Aulopora ex gr. parva5 tabulate coral
 Stauriida - Laccophyllidae
Catactotoechus variabilis n. sp.7 horn coral
 Stauriida - Disphyllidae