Dahaneh-e-Kolut, Derenjal Mountains, AH.6-22, AH.6-23, Shirgesht Formation (Ordovician of Iran)

Where: Iran (34.1° N, 56.8° E: paleocoordinates 5.1° N, 147.4° E)

• coordinate stated in text

• small collection-level geographic resolution

When: Lower Shale Member (Shirgesht Formation), Tremadocian (485.4 - 477.7 Ma)

• samples AH.6-22 and 6-23 from the lower part of the formation at the Cambro-Ordovician boundary

• bed-level stratigraphic resolution

Environment/lithology: marine; lithified shale

• green silty and muddy shale and sandstone with intercalations of muddy limestone

Size class: macrofossils

Primary reference: D. L. Bruton, A. J. Wright, and M. A. Hamedi. 2004. Ordovician Trilobites from Iran. Palaeontographica Abteilung A 271(5-6):111-149 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 66871: authorized by Wolfgang Kiessling, entered by Uta Merkel on 19.10.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Trilobita
 Asaphida - Hungaiidae
Dactylocephalus cf. latus, Asaphopsoides sp.
Asaphopsoides sp. Hupé 1953 trilobite