Lower Part, Tufs et calcaires de Rosan, Crozon (Ordovician of France)

Where: Finistere, France (48.0° N, 4.0° W: paleocoordinates 69.5° S, 65.9° E)

• coordinate estimated from map

• local area-level geographic resolution

When: Lower Member (Rosan Formation), Berounian (457.9 - 449.8 Ma)

• member-level stratigraphic resolution

Environment/lithology: marine; lithified, volcaniclastic, argillaceous limestone

• Limestone occasionally interbedded with tuffites

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). Géobios 23(5):539-579 [A. Miller/P. Novack-Gottshall/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 20869: 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.
Show authors, comments, and common names
unclassified
  -
? Rhactortis sp.
Rhynchonellata
 Orthida - Draboviidae
Drabovia sp.
Drabovia sp. Havlicek 1950
 Orthida - Dalmanellidae
Dalmanella sp., Bancroftina sp.
Dalmanella sp. Hall and Clarke 1892
Bancroftina sp. Sinclair 1946
 Orthida - Heterorthidae
Svobodaina sp.
Svobodaina sp. Havlicek 1951
 Orthida - Orthidiellidae
? Portranella sp.
? Portranella sp. Wright 1964
 Orthida - Productorthidae
Nicolella sp.
Nicolella sp. Reed 1917
 Orthida - Glyptorthidae
Eridorthis sp., Glyptorthis sp.
Eridorthis sp. Foerste 1909
Glyptorthis sp. Foerste 1914
 Pentamerida - Porambonitidae
Porambonites sp.
Porambonites sp. Pander 1830
 Pentamerida - Parastrophinidae
? Parastrophinella sp.
? Parastrophinella sp. Schuchert and Cooper 1931
Strophomenata
 Strophomenida - Aegiromenidae
Aegiromena sp.
Aegiromena sp. Havlícek 1961
 Strophomenida - Leptestiidae
Leptestiina sp.
Leptestiina sp. Opik 1933
 Strophomenida - Strophomenidae
Iberomena sp., Strophomena sp.
Iberomena sp. Villas 1995
Strophomena sp. Rafinesque and De Blainville 1824
 Strophomenida - Rafinesquinidae
Hedstroemina sp.
Hedstroemina sp. Bancroft 1929
 Orthotetida - Triplesiidae
Bicuspina sp., Cliftonia sp.
Bicuspina sp. Havlicek 1950
Cliftonia sp. Foerste 1909
Trilobita
 Trinucleida - Trinucleidae
? Onnia sp.
? Onnia sp. Bancroft 1933 trilobite