Ky Lua, near Lang Son (Permian of Vietnam)

Where: Vietnam (21.9° N, 106.8° E: paleocoordinates 6.6° S, 100.3° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Guadalupian (273.0 - 259.5 Ma)

• Dated as Sakmarian by Saurin, but unlikely if it is Polythecalis

• group of beds-level stratigraphic resolution

Environment/lithology: lithified, black, gray limestone

• Gray-black limestone with many fusulinides and textulariides

Size class: macrofossils

Collected by E. Saurin

Collection methods: peel or thin section

Primary reference: H. Fontaine. 1961. Les madreporaires paleozoiques du Viet-Nam, du Laos, et du Cambodge. Archives Geologiques du Viet-Nam 5:1-276 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 125055: authorized by Matthew Clapham, entered by Matthew Clapham on 02.03.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Anthozoa
 Stauriida - Waagenophyllidae
Polythecalis sp.
Polythecalis sp. Yabe and Hayasaka 1916 horn coral