Lower Suoi Bang Formation, Song Da Basin, NW Vietnam (Triassic of Vietnam)

Where: Vietnam (21.5° N, 104.0° E: paleocoordinates 25.6° N, 91.4° E)

• coordinate based on nearby landmark

• basin-level geographic resolution

When: Suoi Bang Formation, Norian (228.0 - 208.5 Ma)

• 800-1000 m thick total. Lower marine part is Norian (contains Lacian and Alaunian ammonites at least), upper coal-bearing part is Rhaetian.

• formation-level stratigraphic resolution

Environment/lithology: marine; siliciclastic sediments and packstone

• Basal conglomerate, sandstone, siltstone, clay shale with interbeds of coquina.

Size class: macrofossils

Primary reference: V. Khuc. 2000. The Triassic of Indochina Peninsula and its interregional correlation. Permian-Triassic Evolution of Tethys and Western Circum-Pacific 221-233 [D. Bottjer/M. Clapham/M. Clapham]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 44771: authorized by David Bottjer, entered by Matthew Clapham on 17.09.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Cephalopoda
 Ceratitida - Tibetitidae
Cyrtopleurites bicrenatus Hauer 1846 ceratite
 Ceratitida - Juvavitidae
Juvavites magnus McLearn 1940 ceratite
 Ceratitida - Parathisbitidae
Bivalvia
 Solemyida - Ctenodontidae
Mesoneilo sp. Vu-khuc 1977 clam
 Ostreida - Halobiidae
Halobia norica Mojsisovics 1874 oyster
Halobia distincta Mojsisovics 1874 oyster
 Ostreida - Bakevelliidae
"Gervillia praecursor" = Bakevellia (Bakevelloides) praecursor Quenstedt 1858 oyster
Songdaella sp. Vu-Khuc 1977 oyster
 Trigoniida - Trigoniidae
 Trigoniida - Myophoriidae
 Thraciida - Thraciidae
Thracia prisca Healey 1908 clam
 Cardiida - Kalenteridae
 Cardiida - Trapezidae
Langvophorus sp. Vu-Khuc 1977 clam