PC_90_30_20_20 Jurassic period
General information
Category
Status
This code is part of the latest version of Uniclass. Properties and characteristics v1.3, October 2024
Contains
PC_90_30_20_20_10 Late Jurassic epoch
Other items in this category
PC_90_30_20_10 Cretaceous period
Contains 2 current codes
PC_90_30_20_30 Triassic period
Contains 3 current codes
Publication history
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