impression fossil meaning in Hindi

Examples

1. The group is known exclusively from impression fossils which have a limited preservation quality, leading to the uncertainty of what features are present in the described species.
2. The second species originally assigned to the genus, " C . wehri ", was described from a single mostly complete forewing which was preserved as a compression-impression fossil preserved in shale.
3. The authors also noted that a number of " Liquidambar " compression / impression fossils of very similar age have been reported from the region, and may be also closely related, but lack the needed detail for examination.