Layer F, Babeau-Bouldoux: Floian, France

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Scyphozoa - Conulariida - Conulariidae
Eoconularia azaisi
Gastropoda - Bellerophontida - Tropidodiscidae
Peelerophon oehlerti (Bergeron 1889)
Yochelson 1982
Gastropoda - Bellerophontida
Thoralispira occitana Horný and Vizcaïno 1995
Horný and Vizcaïno 1995
Bivalvia - Thoraliidae
Miquelana languedociana (Thoral 1935)
recombined as Thoralia languedociana
Bivalvia - Lyrodesmatidae
Bivalvia - Babinkidae
Babinka prima Barrande 1881
Bivalvia - Coxiconchiidae
Coxiconcha guiraudi
corrected as Coxiconchia
Bivalvia - Modiomorphida - Modiomorphidae
Redonia sp. Rouault 1851
Bivalvia - Afghanodesmatida - Tironuculidae
Ekaterodonta courtessolei
Bivalvia - Nuculanida - Malletiidae
Myoplusia sp. Neumayr 1884
Bivalvia - Nuculida - Praenuculidae
Synek sp. Barrande 1881
Lingulata - Acrotretida - Acrotretidae
Conotreta sp. Walcott 1889
Lingulata - Lingulida - Obolidae
Spondyglossella sp.
Rhynchonellata - Orthida - Orthidae
Orthambonites sp. Pander 1830
Rhynchonellata - Orthida - Archaeorthidae
Pleurorthis sp. Cooper 1956
Trilobita - Isocolidae
Pradesia sp. Thoral 1935
Thoralocolus sp. Pillet and Courtessole 1985
Trilobita - Olenida - Eulomidae
Euloma (Euloma) filacovi
Trilobita - Harpetida - Harpididae
Harpides villebruni
Trilobita - Trinucleida - Raphiophoridae
Ampyx priscus Thoral 1935
Trilobita - Asaphida - Asaphidae
Bohemopyge discretus
? Asaphellus sp. Callaway 1877
Niobella subinsignis
spelled with current rank as Niobe (Niobella)
Paramegalaspis frequens
Paramegalaspis immarginata
Paramegalaspis guiraudi
Megistaspis sp. Jaanusson 1956
"Megalaspis" goniopleurae
replaced by Megistaspis
Megistaspis (Ekeraspis) filacovi
Trilobita - Asaphida - Remopleurididae
Apatokephalus brevifrons
Deanokephalus sp. Pillet 1992
Trilobita - Asaphida - Nileidae
Kodymaspis macrophtalmus
Aocaspis sp. Dolambi and Gond 1992
Illaenopsis griffei
Symphysurus angustatus (Sars and Boeck 1838)
Symphysurus angustatus angustatus
Trilobita - Asaphida - Cyclopygidae
Novakella sp. Whittard 1961
Aeglina azaisi
synonym of Cyclopyge
"Aeglina (= Cyclopyge)" azaisi
Trilobita - Asaphida - Taihungshaniidae
Asaphellina barroisi
Trilobita - Asaphida - Hungaiidae
Asaphopsoides villebruni
Trilobita - Phacopida - Cheiruridae
Pseudosphaerexochus (Pateraspis) prepater Courtessole and Pillet 1975
recombined as Courtessolium prepater
Trilobita - Phacopida - Pharostomatidae
Pharostomina languedocensis
Agnostida - Metagnostidae
Homagnostoides ferralsensis
? Geragnostus mediterraneus
Geragnostus howelli
Pterobranchia - Dendroidea - Acanthograptidae
Dictyonema sp. Hall 1851
Pterobranchia - Graptoloidea - Phyllograptidae
Tetragraptus sp. Salter 1863
Pterobranchia - Graptoloidea - Dichograptidae
Clonograptus sp. Nicholson 1873
Calamograptus sp.
Somasteroidea - Chinianasteridae
Chinianaster levyi Thoral 1935
Stylophora - Mitrata
Chinianocarpos thorali
Stylophora - Mitrata - Kirkocystidae
Anatifopsis trapeziformis
Stylophora - Mitrata
Peltocystis sp.
Stylophora - Cornuta
Amygdalotheca griffei
Stylophora - Cornuta - Cothurnocystidae
Cothurnocystis felinensis
Scotiaecystis griffei
Chauvelicystis spinosa
Stylophora - Cornuta
Galliaecystis lignieresi
Stylophora - Cornuta - Phyllocystidae
Phyllocystis blayaci
Crinoidea - Dendrocrinida - Dendrocrinidae
Aetocrinus moorei
Eocrinoidea
Balantiocystis sp. Chauvel 1966
Eocrinoidea - Lingulocystidae
Lingulocystis elongata Thoral 1935
Rhombifera - Macrocystellidae
Mimocystites azaisi Thoral 1935
recombined as Macrocystella azaisi
Soluta - Syringocrinida - Minervaecystidae
Minervaecystis vidali
unclassified
"Vexillum" rouvillei Da Saporta 1884
synonym of Phycodes circinatum
Probably an obsolete name of an alga, but definitely not a Neogastropod
see common names

Geography
Country:France State/province:Montagne Noire
Coordinates: 43.4° North, 2.9° East (view map)
Paleocoordinates:63.0° South, 97.4° East
Basis of coordinate:estimated from map
Geographic resolution:local area
Time
Period:Ordovician Epoch:Early/Lower Ordovician
Stage:Floian 10 m.y. bin:Ordovician 2
*Period:Early/Lower Ordovician *Epoch:Early/Lower Arenig
*International age/stage:Early/Lower Arenig
Key time interval:Floian Trilobite zone: Euloma filacovi
Age range of interval:477.70000 - 470.00000 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Saint-Chinian Member:F
Local order:bottom to top
Stratigraphic resolution:member
Stratigraphy comments: Was Schistes de Saint-Chinian, Layer F - Asaphelina barroisi zone, Arenig
Uppermost Tremadoc. However, F is in Euloma filacovi zone, which is lowermost Floian.
Lithology and environment
Primary lithology:concretionary,micaceous lithified sandy,cherty/siliceous "shale"
Secondary lithology: lithified sandstone
Lithology description: Occasionally sandy, micaceous, shale with nodular chert, fossiliferous layers and occasional sandstone beds
Environment:offshore
Taphonomy
Modes of preservation:body,mold/impression
Size of fossils:macrofossils,mesofossils
Collection methods and comments
Collection excludes:species names
Reason for describing collection:biostratigraphic analysis
Taxonomic list comments:Was a compilation of lists from Saint-Chinian, Babeau, Bouldon, and Prades-sur-Vernazobre, Montagne Noire, France
Metadata
Also known as:Was: Layer F, Schistes de Saint-Chinian Fm., Saint-Chinian, Montagne Noire, France
Database number:20827
Authorizer:A. Miller, P. Wagner Enterer:P. Novack-Gottshall, P. Wagner
Modifier:P. Wagner Research group:marine invertebrate
Created:2002-06-10 08:00:36 Last modified:2018-04-17 16:31:53
Access level:the public Released:2002-06-10 08:00:36
Creative Commons license:CC BY
Reference information

Primary reference:
6346. J. C. Capera, R. Courtessole, and J. Pillet. 1978. Contribution à l'étude de l'Ordovicien inférieur de la Montagne Noire : biostratigraphie et révision des Agnostida. Annales de la Société Géologique du Nord 98(1):67-87 [A. Miller/P. Novack-Gottshall/L. Villier]

Secondary references:

6345 C. Babin, R. Courtessole, M. Melou, J. Pillet, D. Vizcaino and E. L. Yochelson. 1982. Brachiopodes (Articulés) et mollusques (bivalves, rostroconches, monoplacophores, gastéropodes) de l’Ordovicien inférieur (Trémadocien-Arenigien) de la Montagne Noire (France méridionale) 1-63 [A. Miller/P. Novack-Gottshall/P. Wagner]
15236 R. J. Horný and D. Vizcaïno. 1995. Thoralispira, a new Lower Ordovician cyrtonellid genus (Mollusca, Tergomya) from the Montagne Noire, southern France. Bulletin of the Czech Geological Survey 70(4):25-41 [P. Wagner/P. Wagner]
13409 E. L. Yochelson. 1982. Mollusques monoplacopheres et gastropodes. In C. Babin, R. Courtessole, M. Melour, J. Pillet, D. Vizcaino & E.L. Yochelson (eds.), Brachiopodes (Articules) et Mollusques (Bivalves, Rostroconches, Monoplacophores, Gastropodes) de L'Ordovicien Inferieur (Tremadocien - Arenigien) de la Montagne Noire (France Meridionale) 51-63 [P. Wagner/P. Wagner/P. Wagner]