Fig. 4
Sequence of maps showing the shifting distributions of seaways and exposed land areas through Middle Devonian times in North America (Armistead Booker, Seminars on Science, AMNH)
Fig. 4 | Evolution: Education and Outreach
Sequence of maps showing the shifting distributions of seaways and exposed land areas through Middle Devonian times in North America (Armistead Booker, Seminars on Science, AMNH)