申伍德期

Key facts

Geologic timespan.name

Sheinwoodian

Geologic timespan.color

Sheinwoodian

Geologic timespan.time_start

432.9

Geologic timespan.time_start_uncertainty

1.2

Geologic timespan.time_end

430.6

Geologic timespan.time_end_uncertainty

1.3

Geologic timespan.image_map

Laurasia 430Ma.jpg

Geologic timespan.caption_map

Paleogeography of the late Sheinwoodian

Geologic timespan.timeline

Silurian

Geologic timespan.name_formality

Formal

Geologic timespan.name_accept_date

1980

Geologic timespan.celestial_body

earth