Shale on NW Flank of Mserser-Zguit Dome: Pridoli Limestone Lenses and Nodules (Silurian of Morocco)

Where: Morocco (33.0° N, 6.0° W: paleocoordinates 67.0° S, 23.7° E)

• coordinate estimated from map

• local area-level geographic resolution

When: Pridoli (423.0 - 419.2 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marine; limestone and shale

• Some 500km NW of Pridoli shoreline, according to paleogeographic map of ref. 7455.
• "Limestone lenses and limestone nodules interbedded with 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 27458: authorized by Michael Foote, entered by Michael Foote on 06.12.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Cyrtodontida - Cardiolidae
 Cyrtodontida - Antipleuridae
Dualina sp. Barrande 1881 clam
Necklania sculpta clam
Genus given as Dalila; substitution based on Treatise, vol. N, p. 245.
Necklania resecta clam
Genus given as Dalila; substitution based on Treatise, vol. N, p. 245.
 Myalinida - Lunulacardiidae
"Hemicardium cuspidatum" = Patrocardia cuspidata
"Hemicardium cuspidatum" = Patrocardia cuspidata Barrande 1881 clam
  -
"Pelecypoda indet." = Bivalvia
"Pelecypoda indet." = Bivalvia Linnaeus 1758 clam
Rhynchonellata
 Spiriferida - Spiriferidae
Trilobita
 Phacopida - Phacopidae
"Phacops ex gr. fecundus" = Ananaspis fecunda
"Phacops ex gr. fecundus" = Ananaspis fecunda Barrande 1852 trilobite
Crinoidea
 Monobathrida - Scyphocrinitidae