Vallée du Landeyran (Ordovician of France)

Also known as Was: Layer M, Superieur Schistes du Landeyran Fm., Landeyran, Montagne Noire, France

Where: Montagne Noire, France (43.5° N, 3.1° E: paleocoordinates 63.6° S, 96.3° E)

• coordinate estimated from map

• local area-level geographic resolution

When: Hangchungolithus primitivus trilobite zone, M Member (Landeyran Formation), Arenig (478.6 - 466.0 Ma)

• Was: Superieur Schistes du Landeyran

• member-level stratigraphic resolution

Environment/lithology: offshore; lithified, concretionary, cherty/siliceous shale

• Fissile, vari-colored shale with occasional chert nodules

Size classes: macrofossils, mesofossils

Preservation: mold/impression

Primary reference: 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]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 20826: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 10.06.2002, edited by Pete Wagner

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Aportophylla sp., Synorthis sp.
Stylophora
 Mitrata - Kirkocystidae
Anatifopsis sp.
Anatifopsis sp. Barrande 1872
Pterobranchia
 Graptoloidea - Phyllograptidae
Tetragraptus sp., Phyllograptus sp.
Tetragraptus sp. Salter 1863 graptolite
Phyllograptus sp. Hall 1858 graptolite
 Graptoloidea - Dichograptidae
Didymograptus sp.
Didymograptus sp. McCoy 1851 graptolite
Lingulata
 Acrotretida - Acrotretidae
Conotreta sp.
Conotreta sp. Walcott 1889
Rhynchonellata
 Orthida - Hesperonomiidae
Hesperonomia sp.
Hesperonomia sp. Ulrich and Cooper 1936
 Orthida - Ranorthidae
Ranorthis sp.
Ranorthis sp. Öpik 1939
Polychaeta
 Cuniculepadida - Lepidocoleidae
Lepidocoleus sp.
Lepidocoleus sp. Faber 1886 scale worm
  -
Plumulites sp.
Plumulites sp. Barrande 1872 scale worm
Tergomya
 Cyrtonellida - Carcassonnellidae
"Gamadiscus courtessolei" = Carcassonnella courtessolei
"Gamadiscus courtessolei" = Carcassonnella courtessolei Yochelson 1982
Gastropoda
 Bellerophontida - Sinuitidae
Sinuites sp.
Sinuites sp. Koken 1896 snail
 Bellerophontida - Tropidodiscidae
Peelerophon sp.
Peelerophon sp. Yochelson 1982 snail
Rostroconchia
 Ribeirioida - Technophoridae
Ribeiria sp.
Ribeiria sp. Sharpe 1853
Bivalvia
 Nuculida - Praenuculidae
Synek sp.
Synek sp. Barrande 1881 clam
 Modiomorphida - Modiomorphidae
Redonia sp.
Redonia sp. Rouault 1851 clam
 Cardioni - Coxiconchiidae
"Coxiconcha sp." = Coxiconchia
"Coxiconcha sp." = Coxiconchia Babin 1966 clam
 Cardioni - Babinkidae
Babinka sp.
Babinka sp. Barrande 1881 clam
Trilobita
 Proetida - Otarionidae
Otarion sp.
Otarion sp. Zenker 1833 trilobite
 Phacopida - Homalonotidae
Colpocoryphe sp., Platycoryphe sp.
Colpocoryphe sp. Novak and Perner 1918 trilobite
Platycoryphe sp. Foerste 1919 trilobite
 Phacopida - Calymenidae
Neseuretus sp.
Neseuretus sp. Hicks 1873 trilobite
 Phacopida - Pterygometopidae
Monorakos sp., Pterygometopus sp.
Monorakos sp. Schmidt 1886 trilobite
Pterygometopus sp. Schmidt 1881 trilobite
 Phacopida - Dalmanitidae
Ormathops sp.
Ormathops sp. Delo 1935 trilobite
 Trinucleida - Trinucleidae
Hanchungolithus sp.
Hanchungolithus sp. Lu 1956 trilobite
 Asaphida - Taihungshaniidae
Taihungshania sp.
Taihungshania sp. Sun 1931 trilobite
 Asaphida - Asaphidae
"Basiliella sp." = Basilicus (Basiliella), Paramegalaspis sp.
"Basiliella sp." = Basilicus (Basiliella) Kobayashi 1934 trilobite
Paramegalaspis sp. Thoral 1935 trilobite