🦴🦕⬇️⏳

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

⏳🪱🐚

#foraminifera #foram #microfossil #sediment #biostratigraphy

🐚⏳🪨

#foraminifera fossil #microfossil #biostratigraphy #deep time #fossil shell #limestone

🔬🐚📈

#foraminifera research #micropaleontology #paleoclimate proxy #biostratigraphy #microfossil analysis #climate record