Also known as Tsagan-Del
Where: Bayanhongor, Mongolia (46.4° N, 100.3° E: paleocoordinates 27.3° N, 20.5° E)
• coordinate estimated from map
• small collection-level geographic resolution
When: Dicellograptus anceps graptolite zone, Upper Member (Tsagaan Del Formation), Katian (453.0 - 445.2 Ma)
• Bolshakova and Ulitina 1985 give unit 6 as 10 m thick.
•
•Orlovskii stage in Russia; Nariingol in Mongolia.
• group of beds-level stratigraphic resolution
Environment/lithology: lithified, fine-grained, quartzose sandstone and limestone
Size class: macrofossils
Collection methods: peel or thin section,
Primary reference: K.h. S. Rozman and C.h. Minzhin. 1980. Stratigraphy of the Ordovician Ashgillian Stage of Western Mongolia. International Geology Review 22(5):575-586 [P. Wagner/P. Wagner/P. Wagner]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 170535: authorized by Pete Wagner, entered by Pete Wagner on 23.06.2015
Creative Commons license: CC BY (attribution)
Taxonomic list
Stromatoporoidea | |
Clathrodictyon vormsiense Riabinin 1951 stromatoporoid sponge | |
Anthozoa | |
"Proheliolites" ex gr. koskolensis tabulate coral | |
Propora ex gr. magna tabulate coral
Propora speciosa tabulate coral | |
Halysites pracecedens tabulate coral | |
"Palaeofavosites argutus" = Paleofavosites
"Palaeofavosites argutus" = Paleofavosites tabulate coral | |
Strophomenata | |
Strophomena "sp. nov." Rafinesque and De Blainville 1824 | |
Rhynchonellata | |
Hesperorthis latecostata Rozman 1977 | |
| |
"Parastrophinella salairica" = Protanastrophia salairica
"Parastrophinella salairica" = Protanastrophia salairica Severgina 1978 | |
Conodonta | |
Paltodus sp. Pander 1856 conodont | |
? Belodella sp. Ethington 1959 conodont | |
Panderodus compressus conodont
Panderodus gracilis Branson and Mehl 1933 conodont | |
Icriodella superba conodont | |
Erismodus sp. conodont | |
Oistodus cf. inclinatus conodont | |
"Khangalites heteromorphus" = Khangailites, "Khangalites sinkiangensis" = Khangailites
"Khangalites heteromorphus" = Khangailites
"Khangalites sinkiangensis" = Khangailites |