Where: Vietnam (21.3° N, 103.9° E: paleocoordinates 2.5° N, 94.1° E)

• coordinate stated in text

• small collection-level geographic resolution

When: Pa Khom Formation, Olenekian (251.2 - 247.2 Ma)

• bed-level stratigraphic resolution

Environment/lithology: transition zone or lower shoreface; lithified, shelly/skeletal sandstone

Size class: macrofossils

Preservation: mold/impression

Primary reference: T. Komatsu and D. T. Huyen. 2006. Lower Triassic bivalve fossils from the Song Da and An Chau basins, north Vietnam. Paleontological Research 11(2):135-144 [M. Clapham/M. Clapham/B. Allen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 44760: authorized by David Bottjer, entered by Matthew Clapham on 17.09.2004

Creative Commons license: CC BY (attribution)