Chau Thoi Formation, Ta Thiet Basin, S Vietnam (Triassic of Vietnam)

Where: Vietnam (11.5° N, 106.5° E: paleocoordinates 1.5° N, 102.5° E)

• coordinate based on political unit

• basin-level geographic resolution

When: Chau Thoi Formation, Anisian (247.2 - 242.0 Ma)

• 400 m thick.

• formation-level stratigraphic resolution

Environment/lithology: marine; claystone

• Basal conglomerate, followed by rhyolitic tuffs, tuffaceous sandstone grading upward to sandstone, clay shale, silstone. Clay shale yields fossils.

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 44787: authorized by David Bottjer, entered by Matthew Clapham on 17.09.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

 Ceratitida - Ceratitidae
Bulogites multinodosus Hauer 1892 ceratite
Gymnotoceras cf. blakei Gabb 1864 ceratite
 Ceratitida - Balatonitidae
Balatonites cf. balatonicus Mojsisovics 1873 ceratite
 Ostreida - Halobiidae
Daonella lindstroemi Mojsisovics 1874 oyster