Hangmon (Miocene of Vietnam)

Also known as Moc Chau

Where: Son La, Vietnam (20.9° N, 104.6° E: paleocoordinates 20.0° N, 104.2° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

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

• "late Miocene... correlated with the Chinji stage of the Siwalik series and the Baodean/Lufengian Chinese land mammal ages"

• group of beds-level stratigraphic resolution

Environment/lithology: fluvial-lacustrine; coal and shale

• "of continental origin"
• formation is "composed primarily of coal, coaly shales, and fine-grained mud- and sandstones" and outcrop includes "coal-bearing sediments" that "preserve fossil plants"

Size class: macrofossils

Collected in 1998, 1999

Collection methods: bulk, surface (float), sieve,

• fossils were collected "by surface prospecting and also by screen washing"

•Geological Museum of Vietnam (Hanoi) collection

Primary reference: H. H. Covert, M. W. Hamrick, T. Dzanh and K. C. McKinney. 2001. Fossil mammals from the late Miocene of Vietnam. Journal of Vertebrate Paleontology 21(3):633-636 [J. Alroy/J. Alroy]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 92771: authorized by John Alroy, entered by John Alroy on 28.11.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

Mammalia
 Perissodactyla - Rhinocerotidae
cf. Chilotherium anderssoni Ringström 1924 rhinoceros
 Perissodactyla - Tapiridae
Tapirus sp. Brisson 1762 tapir
 Artiodactyla - Suidae
"Chleuastochoerus stehlini" = Sus stehlini
"Chleuastochoerus stehlini" = Sus stehlini Schlosser 1903 pig
 Artiodactyla - Tragulidae
Dorcatherium minus Lydekker 1876 chevrotain