Crozon (Ordovician to of France)

Also known as Upper Part, Tufs et calcaires de Rosan Fm., Crozon, Finistere, France

Where: Finistere, France (48.3° N, 4.5° W: paleocoordinates 70.2° S, 55.8° E)

• coordinate estimated from map

• local area-level geographic resolution

When: Upper Member (Tufs et calcaires de Rosan Formation), Kralodvorian to Kralodvorian (449.5 - 443.7 Ma)

• member-level stratigraphic resolution

Environment/lithology: marine; volcaniclastic, calcareous claystone

• Pillow lavas (basalt) within tuffites above limestone

Size class: macrofossils

Primary reference: M. Melou. 1990. Brachiopodes articules de la coupe de l'ile de Rosan (Crozon, Finistere); formation des tufs et calcaires de Rosan (Caradoc-Ashgill). GĂ©obios 23(5):539-579 [A. Miller/P. Novack-Gottshall/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 20868: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 11.06.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

• Primarily articulate brachiopod taxonomy and biostrat.
 Strophomenida - Leptestiidae
Leptestiina sp. Opik 1933
 Strophomenida - Rafinesquinidae
Leptaena sp. Dalman 1828
Hedstroemina sp. Bancroft 1929
 Strophomenida - Strophomenidae
Iberomena sp. Villas 1995
 Pentamerida - Porambonitidae
Porambonites sp. Pander 1830
 Pentamerida - Parastrophinidae
 Rhynchonellida - Trigonirhynchiidae
Rostricellula sp. Ulrich and Cooper 1942
 Orthida - Dalmanellidae
? Dalmanella sp. Hall and Clarke 1892
Bancroftina sp. Sinclair 1946
 Orthida - Productorthidae
Nicolella sp. Reed 1917
 Orthida - Plaesiomyidae
Retrorsirostra sp. Schuchert and Cooper 1932
 Orthida - Hesperorthidae
Ptychopleurella sp. Schuchert and Cooper 1931
Dolerorthis sp. Schuchert and Cooper 1931
 Orthida - Platystrophiidae
Mcewanella sp. Foerste 1920
 Orthida - Rhactorthidae