PBDB collection col:20
col:20 aggregates 1 fossil records in the current snapshot; it is a database collection identifier, not a field-verified modern place.
Modern coordinates, paleocoordinates and ages are inherited from the bounded PBDB snapshot and may reflect rounding, historical naming or plate reconstruction; verify the primary source before reuse.
Sample records1
Represented range335.4–323.4 Ma
RegionUS · Illinois
Coordinates and model
Modern coordinates: 38.37639, -90.05611
Paleocoordinates: -22.64, -41.92 · pbdb:gplates
Precision fields: __ ·
Linked formations
References
No reference record is available for this static summary.
Source identifiers present in the sample: ref:5