Postolonnec Fm., Gouvix, Finistere, France (Ordovician of France)

Where: Finistere, France (48.0° N, 4.0° W: paleocoordinates 69.0° S, 70.1° E)

• coordinate estimated from map

• local area-level geographic resolution

When: Postolonnec Formation, Dobrotivian (459.0 - 457.9 Ma)

• formation-level stratigraphic resolution

Environment/lithology: offshore; lithified, bioturbated, concretionary, pyritic, sandy shale

• Dark shale with fine laminations and occasional lenticles, bioturbation, sand, and pyrite

Size class: macrofossils

Primary reference: M. Melou. 1976. Orthida (Brachiopoda) de la formation de Postolonnec (Ordovicien), Finistere, France. Géobios 9(6):693-717 [A. Miller/P. Novack-Gottshall/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 20872: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 11.06.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

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Bivalvia
 Solemyida - Ctenodontidae
Ctenodonta sp.
Ctenodonta sp. Salter 1852 clam
 Nuculida - Cardiolariidae
"Praeleda sp." = Deceptrix
"Praeleda sp." = Deceptrix Fuchs 1919 clam
 Nuculanida - Malletiidae
? Sluha sp.
? Sluha sp. Barrande 1881 clam
 Modiomorphida - Modiomorphidae
Redonia sp.
Redonia sp. Rouault 1851 clam
 Cardioni - Coxiconchiidae
"Coxiconcha sp." = Coxiconchia
"Coxiconcha sp." = Coxiconchia Babin 1966 clam
 Arcida - Parallelodontidae
Glyptarca sp.
Glyptarca sp. Hicks 1873 clam
Rostroconchia
 Ribeirioida - Technophoridae
Ribeiria sp.
Ribeiria sp. Sharpe 1853
Rhynchonellata
 Orthida - Platyorthidae
Crozonorthis sp.
Crozonorthis sp. Melou 1976
 Orthida - Heterorthidae
Heterorthina sp., Cacemia sp.
Heterorthina sp. Bancroft 1928
 Orthida - Plectorthidae
Apollonorthis sp.
Trilobita
 Phacopida - Dalmanitidae
Morgatia sp.
Morgatia sp. Hammann 1972 trilobite
 Phacopida - Acastidae
Phacopidina sp.
Phacopidina sp. Bancroft and Lamont 1949 trilobite
 Phacopida - Homalonotidae
Kerfornella sp.
Kerfornella sp. Henry 1976 trilobite
 Odontopleurida - Odontopleuridae
Selenopeltis sp.
Selenopeltis sp. Hawle and Corda 1847 trilobite