Ha Lang, Luoc Khieu Beds (Devonian of Vietnam)

Where: Vietnam (22.7° N, 106.7° E: paleocoordinates 5.7° N, 127.7° E)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Luoc Khieu Formation, Pragian (410.8 - 407.6 Ma)

• 200 m thick, Euryspirifer tonkinensis complex

• formation-level stratigraphic resolution

Environment/lithology: coastal; lithified siltstone and lithified, argillaceous shale

Size class: macrofossils

Primary reference: T. Tong-Dzuy, T. H. Dang, D. H. Nguyen, D. K. Nguyen, H. H. Nguyen, T. D. Nguyen, H. P. Ta, K. N. Pham, and N. T. Doan. 1988. Stratigrafiya i tselenteraty Dewona W'etnama, 1: Stratigrafiya [Devonian stratigraphy and coelenterata of Vietnam, 1: Stratigraphy] 5-184 [W. Kiessling/U. Merkel/U. Merkel]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 83241: authorized by Wolfgang Kiessling, entered by Uta Merkel on 13.08.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Strophomenata
 Orthotetida - Pulsiidae
 Strophomenida - Strophodontidae
 Strophomenida - Strophochonetidae
 Strophomenida - Rafinesquinidae
Leptaena rhomboidalis Wahlenberg 1818
 Strophomenida - Douvillinidae
 Strophomenida - Dicoelostrophiidae
Rhynchonellata
 Orthida - Rhipidomellidae
 Orthida - Dalmanellidae
 Orthida - Platyorthidae
 Atrypida - Atrypidae
 Spiriferida - Acrospiriferidae
Acrospirifer sp. Wedekind 1926
 Spiriferida - Delthyrididae
 Spiriferida - Hysterolitidae
 Athyridida - Athyrididae
Stenolaemata
 Cryptostomata - Semicosciniidae
 Cryptostomata - Fenestellidae
Fenestella sp. Lonsdale 1839
Trilobita
 Proetida - Proetidae
Proetus cf. namanensis Mansuy 1916 trilobite
 Phacopida - Calymenidae
 Life - Anthinocrinidae