Also known as Bed 1822 of reference, Ktaoua Grp, Anti-Atlas Mts., Morocco
Where: Maïder, Morocco (31.0° N, 5.0° W: paleocoordinates 82.0° S, 88.4° E)
• coordinate estimated from map
• local area-level geographic resolution
When: Lower Ktaoua Formation (Ktaoua Group), Dobrotivian to Dobrotivian (459.0 - 449.8 Ma)
• "Ce gisement se situe dans la Formation inferieure du Ktaoua du Groupe du Ktaoua". The Lower Ktaoua is that lowest formation of that Ktaoua Group.
Environment/lithology: marine; lithified, concretionary limestone
Size class: macrofossils
Primary reference: C. Babin and J. Destombes. 1990. Les mollusques bivalves et rostroconches Ordoviciens de l’Anti-Atlas marocain: Intérêt paléogéographique de leur inventaire. Géologie Méditerranéenne 17:243-261 [A. Miller/P. Novack-Gottshall/P. Novack-Gottshall]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 20970: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 13.06.2002
Creative Commons license: CC BY (attribution)
Taxonomic list
Echinosphaerites aff. difformis Jaekel 1899 | |
Bivalvia | |
Praenucula costae Sharpe 1853 clam | |
"? Glyptarca lusitanica" = Hemiprionodonta lusitanica
"? Glyptarca lusitanica" = Hemiprionodonta lusitanica Sharpe 1853 clam | |
Rhynchonellata | |
Hyolitha | |
? Elegantilites sp. Marek 1966 | |
Trilobita | |
Selenopeltis sp. Hawle and Corda 1847 trilobite | |
Colpocoryphe grandis Snajdr 1956 trilobite | |
Prionocheilus sp. Rouault 1847 trilobite | |
Mucronaspis alnifensis trilobite
"Eudolatites cf. dubius" = Eudolatites dubia Barrande 1846 trilobite
Ormathops hupei Destombes 1972 trilobite | |
Actinopeltis sp. Hawle and Corda 1847 trilobite |