The Urantia Book

Contents Index

Silurian

1 subentry

Silurian. See also geologic ages
marine-life era from 300 to 275 million years ago (59:3sec)

Cross-references

See also geologic ages

Text: the Uversa Press edition. Index: the Uversa Press index as revised for the seventh printing. Set in UB Goudy (OFL 1.1).

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