Where: Aktyubinskaya, Kazakhstan (48.7° N, 60.0° E: paleocoordinates 49.4° N, 56.5° E)
• coordinate estimated from map
When: Chelkarnura Formation, Early/Lower Oligocene (33.9 - 28.4 Ma)
• bed-level stratigraphic resolution
Environment/lithology: terrestrial; lithology not reported
Size class: macrofossils
Collected by Rozhdestvenskii in 1941; reposited in the PIN
Primary reference: A. V. Lopatin. 1997. New Oligocene Didymoconidae (Mesonychia, Mammalia) from Mongolia and Kazakhstan. Paleontological Journal 31(1):108-119 [P. Mannion/P. Mannion/P. Mannion]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 174646: authorized by Philip Mannion, entered by Philip Mannion on 20.11.2015
Creative Commons license: CC BY (attribution)
Taxonomic list
| Mammalia | |
Didymoconus gromovae n. sp.
Didymoconus gromovae n. sp. Lopatin 1997 eutherian PIN, no. 478/395 - type (fragment of the left lower jaw ramus with P4–M2)
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