Destombes Loc. 1777. Entre le Jbel Amouguer et le Jbel Tairhoumt (Ordovician to of Morocco)

Also known as Bed 1777 of reference, Ktaoua Grp, Ktaoua Fm., Anti-Atlas Mountains, Morocco

Where: Maïder, Morocco (31.0° N, 4.0° W: paleocoordinates 81.4° S, 92.8° E)

• coordinate estimated from map

• local area-level geographic resolution

When: Lower Ktaoua Formation (Ktaoua Group), Late/Upper Llandeilo to Late/Upper Llandeilo (460.9 - 449.5 Ma)

• PJW: given age, this might be Izegguirene formation.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, argillaceous sandstone

• Argillaceous sandstone

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 20988: authorized by Arnold Miller, entered by Phil Novack-Gottshall on 13.06.2002

Creative Commons license: CC BY (attribution)

Taxonomic list

• Primarily bivalve and rostroconch taxonomy and biostrat., with others listed
 Phacopida - Cheiruridae
Eccoptochile sp. Hawle and Corda 1847 trilobite
 Asaphida - Asaphidae
Ogmasaphus sp. Jaanusson 1953 trilobite
 Nuculida - Praenuculidae
Praenucula sp. Pfab 1934 clam