Also known as Lang Son
Where: Vietnam (21.9° N, 106.8° E: paleocoordinates 22.0° N, 106.6° E)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Early/Lower Oligocene (33.9 - 28.4 Ma)
• group of beds-level stratigraphic resolution
Environment/lithology: lacustrine; lignite and shale
Size class: macrofossils
Preservation: mold/impression
Collected in 1918
Primary reference: M. Colani. 1920. Étude sur les florès tertiaires de quelques gisements de lignite de l'Indochine et du Yunnan [Study on the Tertiary flora of some lignite deposits in Indochina and Yunnan]. Bulletin du service geologique de l'Indochine [Bulletin of the Geological Service of Indochina] 8:1-524 [B. Allen/B. Allen/B. Allen]more details
Purpose of describing collection: general faunal/floral analysis
PaleoDB collection 224535: authorized by Bethany Allen, entered by Bethany Allen on 16.03.2022
Creative Commons license: CC BY (attribution)
Taxonomic list
| unclassified | |
| Phyllites | |
|
Phyllites sp. Brongniart 1822 | |
| Angiospermae | |
"cf. Anona sp." = Annona, aff. Polyalthia cuneiformis
"cf. Anona sp." = Annona Linnaeus 1753 custard apple
aff. Polyalthia cuneiformis custard apple | |
|
aff. Juglans schimperi Lesquereux 1871 walnut | |
|
aff. Ficus schimperi Lesquereux 1869 fig | |
|
? Oreodaphne sp. Nees 1833 laurel
aff. Oreodaphne pseudoguianensis Berry 1916 laurel
Cinnamomum sp. Schaeffer 1760 cinnamon | |
|
cf. Osmanthus pedatus Lesquereux 1869 | |