Where: Algeria (23.8° N, 5.3° E: paleocoordinates 70.8° S, 49.7° E)
• coordinate based on nearby landmark
• local area-level geographic resolution
When: Atafaitafa Formation, Lochkovian to Lochkovian (419.2 - 407.6 Ma)
• Ref. 7455 interprets age of formation as a whole as Gedinnian-Siegenian. The material is from about 50-60 m above the base of the formation.
• group of beds-level stratigraphic resolution
Environment/lithology: transition zone or lower shoreface; sandstone and siltstone
•SEP environmental call based on given lith. and basic geological data provided by source ref. (PBDB 7455)
Primary reference: P. Dubois and P. Mazelet. 1964. Stratigraphie du Silurien du Tassili N'Ajjer. Bulletin de la Societe Geologique de France (Serie 7) 6(4):586-591 [M. Foote/M. Foote/M. Foote]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 27167: authorized by Michael Foote, entered by Michael Foote on 21.11.2002
Creative Commons license: CC BY (attribution)
Taxonomic list
Scyphozoa | |
Diconularia sp. Sinclair 1952 jellyfish
Conularia sp. jellyfish | |
Trilobita | |
Burmeisteria aff. acuminata trilobite | |
Bivalvia | |
Actinopteria sp. Hall 1884 oyster | |
Cephalopoda | |
| |
Gastropoda | |
Loxonema sp. Phillips 1841 snail | |
Strophomenata | |
Pterobranchia | |
Monograptus hercynicus graptolite |