Rao Cai, Rao Chan Beds (Devonian of Vietnam)

Where: Vietnam (17.9° N, 105.8° E: paleocoordinates 12.1° N, 127.5° E)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Rao Chan Formation, Lochkovian (419.2 - 410.8 Ma)

• group of beds-level stratigraphic resolution

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

• shales, marls, sandstones

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 83324: authorized by Wolfgang Kiessling, entered by Uta Merkel on 18.08.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Lissocrinus curtus
Crinoidea
 Monobathrida - Hexacrinitidae
Hexacrinites humilicarinatus
Trilobita
 Proetida - Proetidae
Praedechenella sp.
Praedechenella sp. Maximova 1953 trilobite
Rhynchonellata
 Atrypida - Atrypidae
Desquamatia vijaica
 Spiriferida - Reticulariidae
"Proreticularia sp." = Alaskospira
"Proreticularia sp." = Alaskospira Kirk and Amsden 1952
 Orthida - Dalmanellidae
Levenea aff. transversa
Anthozoa
 Favositida - Alveolitidae
Alveolites sp.
Alveolites sp. Lamarck 1801 tabulate coral
 Cystiphyllida - Tryplasmatidae
Tryplasma sp.
Tryplasma sp. Lonsdale 1845 horn coral
 Stauriida - Ptenophyllidae
Dohmophyllum sp.
Dohmophyllum sp. Wedekind 1923 horn coral
Demospongiae
 Chaetetida - Desmidoporidae
Desmidopora sp.
Desmidopora sp. Nicholson 1886 chaetetid sponge