Also known as Reef 3891

Where: Vardak, Afghanistan (34.2° N, 68.0° E: paleocoordinates 28.1° S, 101.6° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Koh-e Zardak Member (Badragha Formation), Frasnian (383.7 - 376.1 Ma)

• units 19 (8-10 m thick) and 20 (30 m thick)

• group of beds-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; lithified bindstone and lithified wackestone

Size class: macrofossils

Collection methods: peel or thin section,

Primary reference: B. Mistiaen. 1985. Phénomènes récifaux dans le Dévonien d'Afghanistan (Montagnes Centrales) - Analyse et systématique des Stromatopores. Societe Geologique du Nord (11)1-381 [W. Kiessling/F. Reichel] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 84634: authorized by Wolfgang Kiessling, entered by Uta Merkel on 04.11.2008