File:"Collenia symmetrica" is an early fossil It shows layers of sand trapped by tiny organisms (mostly cyanobacteria) into mounds (70222e29-5028-401e-9199-c8f1b4caf34f) (cropped).jpg
Commons file record, page id 196859845. The figures below cover the file as Commons lists it in this site's fetch of 30 October 2026.
| Title | File:"Collenia symmetrica" is an early fossil It shows layers of sand trapped by tiny organisms (mostly cyanobacteria) into mounds (70222e29-5028-401e-9199-c8f1b4caf34f) (cropped).jpg |
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| Commons page id | 196859845 |
| Category | Coloring pages |
| Description on Commons | line drawing of partially submerged mounded bacteria mats "Collenia symmetrica" is an early fossil It shows layers of sand trapped by tiny organisms (mostly cyanobacteria) into mounds that we call stromatolites. Stromatolites are some of the earliest and most widespread forms of early prehistoric life Fossils of "Collenia" have been found at Glacier National Park, Montana. Keywords: fossils; kids; paleontology; geology |
| Creator credit (Artist) | NPS image |
| Credit line | NPGallery |
| Date on Commons | Taken on 31 August 2020 |
| Licence (LicenseShortName) | Public domain — see the licence page |
| Usage terms | Public domain |
| Width (pixels) | 1,933 |
| Height (pixels) | 927 |
| File size (bytes) | 297,321 |
| File on Commons | https://upload.wikimedia.org/wikipedia/commons/d/d1/%22Collenia_symmetrica%22_is_an_early_fossil_It_shows_layers_of_sand_trapped_by_tiny_organisms_%28mostly_cyanobacteria%29_into_mounds_%2870222e29-5028-401e-9199-c8f1b4caf34f%29_%28cropped%29.jpg?utm_source=commons.wikimedia.org&utm_campaign=imageinfo&utm_content=original |
| Commons file page | https://commons.wikimedia.org/wiki/File:%22Collenia_symmetrica%22_is_an_early_fossil_It_shows_layers_of_sand_trapped_by_tiny_organisms_(mostly_cyanobacteria)_into_mounds_(70222e29-5028-401e-9199-c8f1b4caf34f)_(cropped).jpg |
_into_mounds_(70222e29-5028-401e-9199-c8f1b4caf34f)_(cropped).jpg){kind=link}
Source: Wikimedia Commons category listing, fetched 30 October 2026. Creator, licence and date are printed as the Commons record states them; a field the record leaves empty is left out here.