Where: Tajikistan (40.0° N, 70.5° E: paleocoordinates 4.9° S, 73.5° E)
• coordinate based on nearby landmark
• local area-level geographic resolution
When: Aktur Formation, Pragian (410.8 - 407.6 Ma)
• Pragian formation on Isfara River is Aktur.
• formation-level stratigraphic resolution
Environment/lithology: marine; shelly/skeletal, black, gray limestone
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 13985: authorized by Michael Foote, entered by Michael Foote on 06.05.2002
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Conodonta | |
Ozarkodina steinhornensis Ziegler 1956 conodont | |
Trilobita | |
Radioscutellum conspersum trilobite | |
Strophomenata | |
Rhynchonellata | |
Anthozoa | |
Riphaeolites virgosus tabulate coral | |
Squameofavosites bohemicus, Favosites aff. kozlovskii, Favosites stellaris, Favosites brusnitzini, Favosites plurimispinosus
Squameofavosites bohemicus tabulate coral
Favosites aff. kozlovskii tabulate coral
Favosites stellaris tabulate coral
Favosites brusnitzini tabulate coral
Favosites plurimispinosus tabulate coral | |
Helioplasma gippslandica tabulate coral
Helioplasma jackii tabulate coral
Heliolites praeporosus tabulate coral | |
Rhizophyllum aff. bohemicum Pocta 1902 horn coral | |
Xystriphyllum cf. interlineatum horn coral | |
Barrandeophyllum perplexum horn coral |