Definition of Erathems. Meaning of Erathems. Synonyms of Erathems

- Paleozoic erathems. Similarly, the Proterozoic eonothem is divided youngest to oldest into the Neoproterozoic, Mesoproterozoic and Paleoproterozoic erathems, and...
- suffix (e.g. Phanerozoic Eonothem becomes the Phanerozoic Eon). Names of erathems in the Phanerozoic were chosen to reflect major changes in the history...
- Stratigraphy (ICS) once proposed that the Quaternary be considered a sub-era (sub-erathem) of the Neogene, with a beginning date of 2.58 Ma, namely the start of...
- within the timelines within the rock column. Eonothems are subdivided into erathems and their smaller subdivisions within geology and paleobiology and their...
- subdivides rock layers on their lithology. Systems are subdivisions of erathems and are themselves divided into series and stages. The systems of the Phanerozoic...
- used ICS Time Scale Definition Chronological unit Era Stratigraphic unit Erathem Time span formality Formal Lower boundary definition First appearance of...
- used ICS Time Scale Definition Chronological unit Era Stratigraphic unit Erathem Time span formality Formal Lower boundary definition Iridium enriched layer...
- used ICS Time Scale Definition Chronological unit Era Stratigraphic unit Erathem Lower boundary definition Appearance of the Ichnofossil Treptichnus pedum...
- Series, of the Paleogene Period or System, and of the Cenozoic Era or Erathem. The beginning of the Danian (and the end of the preceding Maastrichtian)...
- Cretaceous Series, the Cretaceous Period or System, and of the Mesozoic Era or Erathem. It spanned the interval from 72.1 to 66 million years ago. The Maastrichtian...