charring auhearly #algae at 2.1 billion years old this rockcontains the oldest known #fossilday of a eukaryetic organism the dark looping lines are films of #carbon because algae often leave behind a
from these #fossilday you can see that lobster crabs and horseshoe crab in the #mesozoicera looked much like they do today
Charring Auhliving #fossilday -the mitive lake sturgeon
shark-shaped lake #sturgeon has cales. You can fee, its leathery skin scutes (rows of bony plates) alorig ack and sides.
preparing, studying, collecting, #paleontologists have fossils since 1898. Tools like brushes and rock hammers have not changed much, but modern technologies, like digital x-rays, help us learn from #fossilday in new ways. #ElmerRiggs (right), the Field Museum's first firstpaleon
Abie"a few moments from the 2025 costume competition, giving some idea of the quality of our entrants."
https://tetzoo.com/blog/2025/8/26/dinocon-2025-lookback
Images: (c) Alfred Barwick from @TetZoo roundup post
https://tetzoo.com/blog/2025/8/26/dinocon-2025-lookback
#fossilday #paleontology #paleoart #dinosaurs
https://tetzoo.com/blog/2025/8/26/dinocon-2025-lookback
Images: (c) Alfred Barwick from @TetZoo roundup post
https://tetzoo.com/blog/2025/8/26/dinocon-2025-lookback
#fossilday #paleontology #paleoart #dinosaurs
Art History AnimaliaFor the final day of #CephalopodAwarenessDays - #FossilDay: iridescent #ammonite fossil (Caloceras johnstoni), historical #sciart color plate from James Sowerby's _The Mineral Conchology of Great Britain_ v.5 (1825)
For the final day of #CephalopodAwarenessDays - #FossilDay: "Ammonitida," Plate 44 in _Kunstformen der Natur_ by Ernst Haeckel (1834-1919), 1904. #Ammonite fossils!
#fossilday (from Classical Latin fossilis, lit. 'obtained by digging')[1] is any preserved remains, impression, or trace of any once-living thing from a past geological age. Examples include bones,
PLANT SCIENCE INCLUDES PALEC THE STUDY OF PLANT HISTORY.
WHY STUDY 300,000,000-YEAR- #FOSSILday S OF THESE LYCOPODS - THE TREES THAT ONCE DOMIN ILLINOIS THEN-SWAMPY FORE ONE REASON BECAUSE THEY GREW HERE, FELL, DECAYED INT AND WERE COMPRESSED INTO - COAL THAT'S MINED IN ILLINOIS
AT LEFT IS A FOSSIL OF A SEED FERN, AN UNDERSTORY FROM THE SAME ANCIENT FORE
PLANT SCIENCE INCLUDES PALEC THE STUDY OF PLANT HISTORY.
WHY STUDY 300,000,000-YEAR- #FOSSILday S OF THESE LYCOPODS - THE TREES THAT ONCE DOMIN ILLINOIS THEN-SWAMPY FORE ONE REASON BECAUSE THEY GREW HERE, FELL, DECAYED INT AND WERE COMPRESSED INTO - COAL THAT'S MINED IN ILLINOIS
AT LEFT IS A FOSSIL OF A SEED FERN, AN UNDERSTORY FROM THE SAME ANCIENT FORE
