Idri Fmn., Idri Type section, Sample TB888 (Devonian of Libya)

Where: Libya (27.5° N, 13.5° E: paleocoordinates 49.3° S, 35.5° E)

• coordinate estimated from map

• local area-level geographic resolution

When: Idri Formation, Early/Lower Frasnian (383.7 - 382.4 Ma)

• Age range of formation is Givetian to early Frasnian. This assemblage is thought to be early Frasnian.

• bed-level stratigraphic resolution

Environment/lithology: marine; fine-grained, medium sandstone

• Low diversity, fragmentation, disarticulation: Interpreted as BA 2-3
• "fine to medium grained sandstones"

Collection methods: Emphasis of monograph is brachiopods and bivalves. Other elements sometimes mentioned as well.

Primary reference: M. Mergl and D. Massa. 1992. Devonian and Lower Carboniferous brachiopods and bivalves from western Libya. Biostratigraphie du Paleozoique 12:1-115 [M. Foote/M. Foote/M. Foote]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 35629: authorized by Michael Foote, entered by Michael Foote on 01.01.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Trilobita
 Phacopida - Acastidae
Greenops sp. Delo 1935 trilobite
Gastropoda
 Euomphalina - Platyceratidae
Platyceratidae indet. Hall 1859 snail
Strophomenata
 Productida - Productellidae
 Productida - Chonetidae
Rhynchonellata
 Spiriferida - Spinocyrtiidae
Spinocyrtiidae indet. Ivanova 1959
 Spiriferida - Mucrospiriferidae
 Rhynchonellida -