Where: Mongolia (43.0° N, 109.7° E: paleocoordinates 43.7° N, 105.6° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Ardyn Obo Formation, Early/Lower Oligocene (33.9 - 28.4 Ma)

• "Middle Oligocene"

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collected by Polish-Mongolian Palaeontological Expedition in 1963

Collection methods: surface (float), surface (in situ),

• ZPAL collection

Primary reference: M. Mlynarski. 1969. Notes on the tortoises (Testudinidae) from the Tertiary of Mongolia. Results Polish-Mongolian Palaeontological Expedition, I. Palaeontologica Polonica 19:85-97 [R. Benson/R. Benson/P. Mannion]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 128692: authorized by Roger Benson, entered by Roger Benson on 15.06.2012

Creative Commons license: CC BY (attribution)