Where: Tajikistan (40.0° N, 70.5° E: paleocoordinates 11.5° S, 74.9° E)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Isfara Formation, Ludlow to Ludlow (427.4 - 419.2 Ma)

• PJW: Given the age & locality, this is Isfara River formation.

• formation-level stratigraphic resolution

Environment/lithology: marine; shelly/skeletal, black, gray, argillaceous limestone and calcareous siltstone

Size class: macrofossils

Primary reference: J. S. Biske, V. B. Gorianov, and M. A. Rzonsnickaja. 1977. Tien-Shan. In A. Martinsson (ed.), The Silurian-Devonian boundary IUGS Serie(5):227-237 [M. Foote/M. Foote/P. Wagner]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 13976: authorized by Michael Foote, entered by Michael Foote on 06.05.2002

Creative Commons license: CC BY (attribution)