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: Pleurograptus linearis graptolite zone, Tsagaan Del Formation, Katian (453.0 - 445.2 Ma)
• Chakyrskii (Russian) or Bayan-Khongor (Mongolian) stages
• group of beds-level stratigraphic resolution
Environment/lithology: lithified, shelly/skeletal, gray, yellow, argillaceous, sandy limestone
Size class: macrofossils
Collection methods: peel or thin section,
Primary reference: K.h. S. Rozman. 1977. New Orthida and Strophomenida from the Upper Ordovician of Mongolia. Paleontologicheskii Zhurnal 3:83-97 [P. Wagner/P. Wagner]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 170488: authorized by Pete Wagner, entered by Pete Wagner on 22.06.2015
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Stromatoporoidea | |
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Anthozoa | |
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Strophomenata | |
Eostrophonella antiqua n. sp.
Eostrophonella antiqua n. sp. Rozman 1977 | |
Oepikina sp. Salmon 1942 | |
Leptaena praequalis n. sp.
Leptaena praequalis n. sp. Rozman 1977 | |
Rhynchonellata | |
Hesperorthis latecostata Rozman 1977 | |
"Parastrophinella asimmetrica" = Protanastrophia asimmetrica
"Parastrophinella asimmetrica" = Protanastrophia asimmetrica Rozman 1970 Parastrophinella asimmetrica longiplicata
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