Kunjak Stage, Unit 25, Isfara River S-D Section (Devonian of Tajikistan)
Where: Tajikistan (40.0° N, 70.5° E: paleocoordinates 7.7° S, 74.2° E)
• coordinate based on nearby landmark
• local area-level geographic resolution
When: Lochkovian (419.2 - 410.8 Ma)
Environment/lithology: marine; ooidal, shelly/skeletal, black, gray limestone
• "The investigated sections are found at the southern margin of the basin where limestones continuously accumulated during Upper Silurian and Devonian time.."
• "(25) Stratified limestones, mainly dark grey but varying from light grey to black, with bioherms; typical bioherms contain oolite-like structures...rock is organogenous-detrital...pelitomorphic..."
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 13981: authorized by Michael Foote, entered by Michael Foote on 06.05.2002
Creative Commons license: CC BY (attribution)
Taxonomic list
Show authors, comments, and common names
| unclassified | |
| Anthozoa | |
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Riphaeolites virgosus tabulate coral | |
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Favosites kozlovskii tabulate coral
Favosites interstinctus tabulate coral
Favosites intricatus Pocta 1902 tabulate coral
Squameofavosites thetidis tabulate coral | |
|
Cladopora actuosa tabulate coral | |
|
Helioplasma gippslandica tabulate coral | |
|
| |
|
Tryplasma aequalbilis horn coral | |
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Plasmophyllum (Plasmophyllum) salairicum horn coral | |
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Neomphyma originata horn coral
Neomphyma karpinskiensis horn coral
Salairophyllum angustum horn coral | |
| Conodonta | |
|
Ozarkodina steinhornensis Ziegler 1956 conodont | |
| Rhynchonellata | |
"Howellella ex gr. mercurii" = Spirifer mercurii
"Howellella ex gr. mercurii" = Spirifer mercurii Gosselet 1880 | |
|
Spirigerina supramarginalis Khalfin 1948 | |
| Strophomenata | |
| Trilobita | |
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Encrinurus sp. Emmrich 1844 trilobite | |