Where: Tajikistan (40.0° N, 70.5° E: paleocoordinates 10.5° S, 74.8° E)
• coordinate based on nearby landmark
• local area-level geographic resolution
When: Isfara Formation, Pridoli (423.0 - 419.2 Ma)
• Correlation with Czech Pridolian based mainly on brachiopods, according to authors. PJW: Pridoli here is now called Isfara formation.
• formation-level stratigraphic resolution
Environment/lithology: marine; shelly/skeletal, gray limestone and argillaceous shale
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 13977: authorized by Michael Foote, entered by Michael Foote on 06.05.2002
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Anthozoa | |
Zelophyllum ludlovensis horn coral | |
"Entelophyllum articulatum" = Entelophyllum, "Stereoxylodes argutus" = Entelophyllum
"Entelophyllum articulatum" = Entelophyllum horn coral
"Stereoxylodes argutus" = Entelophyllum horn coral | |
Phaulactis aff. cyathophylloides horn coral
Phaulactis sp. Ryder 1926 horn coral | |
Holmophyllum sp. Wedekind 1927 horn coral | |
Rhizophyllum gotlandicum horn coral | |
Ketophyllum aff. elegantulum horn coral | |
Helioplasma gippslanadica tabulate coral
Helioplasma distans tabulate coral | |
Favosites interstinctus, Favosites difformis, Favosites vicinalis, Favosites aff. kozlovskii, Favosites cf. nitidus, Squameofavosites russanovi, Squameofavosites bohemicus, Squameofavosites thetidis, Emmonsiella saaminica
Favosites interstinctus tabulate coral
Favosites difformis tabulate coral
Favosites vicinalis tabulate coral
Favosites aff. kozlovskii tabulate coral
Favosites cf. nitidus tabulate coral
Squameofavosites russanovi tabulate coral
Squameofavosites bohemicus tabulate coral
Squameofavosites thetidis tabulate coral
Emmonsiella saaminica tabulate coral | |
Pleurodictyum sp. Goldfuss 1829 tabulate coral | |
Riphaeolites aff. sijakensis tabulate coral | |
Parastriatopora aff. grandissima tabulate coral | |
Rhynchonellata | |
"Atrypella cf. columebella" = Atrypoidea
"Atrypella linguata" = Atrypoidea
Atrypella aff. scheii Holtedahl 1914 | |
| |
"Proreticularia carens" = Alaskospira, "Proreticularia sp." = Alaskospira
"Proreticularia carens" = Alaskospira
"Proreticularia sp." = Alaskospira Kirk and Amsden 1952 | |
? Dayia sp. Davidson 1881
Dayia ex gr. navicula Sowerby 1839 | |
Trilobita | |
Unguliproetus sp. Erben 1951 trilobite | |
Encrinurus sp. Emmrich 1844 trilobite | |
Conodonta | |
Ozarkodina steinhornensis Ziegler 1956 conodont |