🦕🪨⏳

#fossils #geological time scale #stratigraphy #earth history #sedimentary geology

🦕🦴🪰⏳

#fossils #stratigraphy #geological time scale #earth history #sedimentary rocks #deep time

🦴🦕⬇️⏳

#biostratigraphy #fossils #superposition #relative dating #geological time scale #index fossils

🦕🧄⏳

#strata #sedimentary rock #deep time #geological time scale

⏳🌍🪨

#cretaceous period #geological time scale #mesozoic era #chalk formation #stratigraphy #paleogeology #ancient earth

🕰️🪨💥🧬

#cambrian explosion #origin of phyla #geological time scale #life history #biodiversity burst

🗓️⛰️🌊

#paleozoic #geological time scale #strata #ancient ocean #ediacaran

⏳️🐎🐒🦇🪴

#eocene epoch #geological time scale #mammal diversification #early mammals #early bats #grasses #cenozoic era

🌀🪨🔬

#precambrian time #geological time scale #ancient rocks #microscopic life #earth history

⏳🪨🌿🚫🦴

#precambrian #geological time scale #fossil record #soft bodied #proterozoic

⏳🌱➡️🦕➡️🗿➡️🚀

#deep time #evolution timeline #geological time scale #life history #future history

⏳🦖🔚💥🔜🐁🌱

#K-Pg boundary #K-T boundary #end of an era #geological time scale #mass extinction event #dinosaur extinction #dawn of mammals #paleogene recovery #cretaceous end

🌍📜⏳

#earth history #geological record #rock record #historical geology #deep time #geological time scale

1️⃣🦕🪲

#triassic period #first mesozoic period #dinosaur origins #age of reptiles begins #ammonite recovery #geological time scale