Xiaolongtan Coal Mine (Miocene of China)

Also known as Locality N-11

Where: Yunnan, China (23.8° N, 103.2° E: paleocoordinates 23.3° N, 102.3° E)

• coordinate stated in text

• outcrop-level geographic resolution

When: Xiaolongtan Formation, Late/Upper Miocene (11.6 - 5.3 Ma)

• "Magnetostratigraphic analysis indicated the age of the Xiaolongtan Formation to be 12.7–10 Ma, late Miocene (Li S. H. et al., 2015). This age is consistent with palynology (Wang, 1996) and paleontology results (Dong and Qi, 2013)." (Zhou et al. 2020)

• group of beds-level stratigraphic resolution

Environment/lithology: terrestrial; lignite

Size class: macrofossils

Preservation: mold/impression

Primary reference: K. Xia, T. Su, Y.-S. Liu, Y.-W. Xing, F. M. B. Jacques and Z.-K. Zhou. 2009. Quantitative climate reconstructions of the late Miocene Xiaolongtan megaflora from Yunnan, southwest China. Palaeogeography, Palaeoclimatology, Palaeoecology 276:80-86 [B. Allen/B. Allen]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 222698: authorized by Bethany Allen, entered by Bethany Allen on 21.10.2021

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Angiospermae
 Liliales - Smilacaceae
Smilax sp. Linnaeus 1753 greenbrier
 Poales - Poaceae
Graminites sp. Geinitz 1865 grass
 Poales - Typhaceae
"Typha lesquereuxii" = Typha lesquereuxi
"Typha lesquereuxii" = Typha lesquereuxi Cockerell 1908 bulrush
 Laurales - Lauraceae
 Cornales - Alangiaceae
 Lamiales - Oleaceae
 Saxifragales - Hamamelidaceae
Distylium sp. Siebold and Zuccarini 1841 witch-hazel
 Magnoliales - Magnoliaceae
Magnolia miocenica Hu and Chaney 1938 magnolia
 Magnoliales - Annonaceae
Desmos kaiyuanensis custard apple
 Rosales - Mimosaceae
 Rosales - Papilionaceae
 Rosales -
 Rosales - Rhamnaceae
Rhamnella sp., "Berchemia miofloribunda" = Berhamniphyllum miofloribundum
Rhamnella sp. Miquel buckthorn
"Berchemia miofloribunda" = Berhamniphyllum miofloribundum Hu and Chaney 1940 buckthorn
 Fabales - Fabaceae
Dalbergia sp. Linnaeus 1782 legume
Lespedeza sp. Michaux 1803 bush clover
"Podocarpium podocarpum" = Podocarpium podocarpum Braun 1845 legume
"Podogonium knorrii" = Podocarpium podocarpum Braun 1845 legume
Albizia miokalkora Hu and Chaney 1940 legume
cf. Campylotropis sp. Bunge 1835 legume
 Fagales - Myricaceae
 Fagales - Fagaceae
Lithocarpus sp. Blume 1826
"Cyclobalanopsis mandraliscae" = Quercus (Cyclobalanopsis) ring-cupped oak
"Cyclobalanopsis praegilva" = Quercus (Cyclobalanopsis) ring-cupped oak
 Fagales - Juglandaceae
 Malpighiales - Passifloraceae
Passiflora sp. Linnaeus 1753
 Malpighiales - Salicaceae
 Malvales - Sterculiaceae
 Sapindales - Sapindaceae
Acer sp. Linnaeus 1753 maple
Acer macrophyllum Pursh 1814 maple
 Rosids - Moraceae
Ficus sp. Linnaeus 1753 fig