Quttah Fmn. bivalves, Ash Shati area, N. flank of Murzuk Basin (Devonian of Libya)

Where: Libya (27.5° N, 13.5° E: paleocoordinates 46.2° S, 30.7° E)

• coordinate estimated from map

• local area-level geographic resolution

When: Quttah Formation, Frasnian (382.7 - 372.2 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marine; sandstone and silty claystone

• Formation in general: "In the typical development, the Formation begins with claystones and silty claystones with thin intercalations of fine-grained quartzite containing the typical trace fossil Bifungites fezzanensis...The upper part...is prevalently...of sst, fine to coarse...fossils have been found in both sst and clayst."

Primary reference: V. Havlicek and P. Rohlich. 1987. Devonian and Carboniferous brachiopods from the northern flank of the Murzug Basin (Libya). Sbornik Geologickych Ved: Paleontologie 28:117-177 [A. Miller/J. Sessa/J. Sessa]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 36202: authorized by Michael Foote, entered by Michael Foote on 16.01.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

• Bivalves are common, but these are listed by name only for the formation as a whole, not for individual collection. This list is bivalves only; see individual collections for brachiopods.
 Pectinida - Pterinopectinidae
Lyriopecten spp. Hall 1877 scallop
 Ostreida - Pterineidae
Leptodesma sp. Hall 1883 oyster
 Cardiidia - Sanguinolitidae
"Sphenotus sp." = Sanguinolites
"Sphenotus sp." = Sanguinolites M'Coy 1844 clam
 Cardiidia - Grammysiidae
Grammysia sp. de Verneuil 1847 clam
 Modiomorphida - Modiomorphidae
Modiomorpha sp. Hall and Whitfield 1869 clam
 Lucinida - Mactromyidae