| Answer | Crossword Clue |
|---|---|
| UNCLAIMED | Still at the lost and found |
| HATS | Items at a lost-and-found |
| stromatolite | A calcareous mound built up of layers of lime-secreting cyanobacteria and trapped sediment, found in Precambrian rocks as the earliest known fossils, and still being formed in lagoons in Australasia |
| stromatolites | A calcareous mound built up of layers of lime-secreting cyanobacteria and trapped sediment, found in Precambrian rocks as the earliest known fossils, and still being formed in lagoons in Australasia |
| UNCLAIMED | Left in the lost and found |
| CLAIMED | Formerly in the lost-and-found |
