When did the Phanerozoic era begin? This is the same time a… Post author By Anonymous Post date October 20, 2025 Related Posts:When did the Phanerozoic era begin? This is the…The beginning of the Phanerozoic is marked by the ________.In what era did the development of polyphony begin… ← The reason you have your patient laterally rotate his should… → Pressure always increases with increasing depth in the crust…