Where: Vietnam (21.8° N, 106.8° E: paleocoordinates 12.0° N, 97.7° E)
• coordinate stated in text
• small collection-level geographic resolution
When: Na Khuat Formation, Anisian to Anisian (247.2 - 237.0 Ma)
• lower part of the formation, Costatoria paucicostata-Hoernesia angusta assemblage
• bed-level stratigraphic resolution
Environment/lithology: offshore; lithified mudstone and lithified sandstone
Size class: macrofossils
Preservation: cast, mold/impression
Primary reference: T. Komatsu, D. T. Huyen, and N. D. Huu. 2010. Radiation of Middle Triassic bivalve: bivalve assemblages characterized by infaunal and semi-infaunal burrowers in a storm- and wave-dominated shelf, An Chau Basin, north Vietnam. Palaeogeography, Palaeoclimatology, Palaeoecology 291:190-204 [W. Kiessling/U. Merkel]more details
Purpose of describing collection: paleoecologic analysis
PaleoDB collection 99739: authorized by Wolfgang Kiessling, entered by Uta Merkel on 19.11.2010
Creative Commons license: CC BY (attribution)
Taxonomic list
Bivalvia | |
Nuculana subperlongata pointed nut clam | |
Prosoleptus lineata Goldfuss 1837 clam | |
"Oxytoma" sp. Meek and Hayden 1865 scallop | |
Leptochondria albertii Goldfuss 1838 scallop | |
Entolium tridentini scallop | |
Lilangina sp. Diener 1908 oyster | |
Langsonella minima oyster
Hoernesia angusta oyster | |
Pteria sp. Scopoli 1777 pearl oyster
Pteria sturi Bittner 1895 pearl oyster | |
Unionites sp. Wissman 1841 clam | |
Pleuromya sp. Meek 1873 clam | |
Costatoria sp. Waagen 1907 clam | |