Limestone Interbeds Within Black Shale at Ferk er Rih (Silurian to of Morocco)

Where: Morocco (31.0° N, 9.0° W: paleocoordinates 69.2° S, 14.8° E)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Ludlow to Ludlow (427.4 - 419.2 Ma)

• "[fossils] are suggestive of an age in the span of Ludlow-Pridoli"

• formation-level stratigraphic resolution

Environment/lithology: marine; black shale and limestone

• Some 500km N of Pridoli shoreline, according to paleogeographic map of ref. 7455.
• "limestone nodules and lenses interbedded with black shale"

Primary reference: W. B. N. Berry and A. J. Boucot. 1973. Correlation of the African Silurian rocks. Geological Society of America Special Paper 147:1-83 [M. Foote/M. Foote/M. Foote]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 27385: authorized by Michael Foote, entered by Michael Foote on 05.12.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

 Athyridida - Dayiidae
Dayia navicula Sowerby 1839
 Cyrtodontida - Cardiolidae
 Orthocerida - Orthoceratidae
"Orthoceras bohemicum" = Orthoceras fluminense
"Orthoceras bohemicum" = Orthoceras fluminense Meneghini 1857