Ha Lang, Upper Toc Tat Beds (Devonian of Vietnam)

Where: Vietnam (22.7° N, 106.7° E: paleocoordinates 0.6° N, 105.9° E)

• coordinate based on nearby landmark

• local area-level geographic resolution

When: Upper Member (Toc Tat Formation), Famennian (372.2 - 358.9 Ma)

• member-level stratigraphic resolution

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

Size class: microfossils

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 83246: authorized by Wolfgang Kiessling, entered by Uta Merkel on 13.08.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Foraminifera
  -
 Endothyroidea - Endothyridae
Conodonta
 Ozarkodinida - Palmatolepididae
 Ozarkodinida - Polygnathidae
 Ozarkodinida - Palmatolepidae
Palmatolepis minuta conodont
subsp. schleizia
Palmatolepis perlobata conodont
subsp. perlobata and schindewolfi
Palmatolepis gracilis conodont
subsp. sigmoidalis
Palmatolepis marginifera conodont
subsp. marginifera
Palmatolepis glabra Ulrich and Bassler 1926 conodont
subsp. glabra, lepta and pectinata
 Ozarkodinida -
"Ozarkodina sp." = Ozarkodina, "Hindeodella sutilis" = Ozarkodina
"Ozarkodina sp." = Ozarkodina Branson and Mehl 1933 conodont
"Hindeodella sutilis" = Ozarkodina conodont
 Prioniodontida -
"Diplododella aurita" = Hibbardella (Diplododella), "Ligonodina monodentata" = Oulodus
"Diplododella aurita" = Hibbardella (Diplododella) conodont
"Ligonodina monodentata" = Oulodus conodont
 Prioniodontida - Prioniodinidae
 Prioniodontida - Icriodontidae
 Protopanderodontida - Protopanderodontidae
Drepanodus sp. Pander 1856 conodont