Related Overviews


'Ochoan' can also refer to...


More Like This

Show all results sharing this subject:

  • Earth Sciences and Geography


Show Summary Details

Quick Reference

The final series (251–260.4 Ma ago) in the Permian of N. America, underlain by the Guadalupian, overlain by the Triassic (see scythian), and roughly contemporaneous with the upper Kazanian and Tatarian Stages.

Subjects: Earth Sciences and Geography.

Reference entries

Users without a subscription are not able to see the full content. Please, subscribe or login to access all content.