erathem (0 synonym found)

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Definition of erathem:

(n) : (geology, paleontology) The total stratigraphic unit deposited during a certain corresponding span of time during an era in the geologic timescale.
Definition of erathem:

(n) : (geology, paleontology) The total stratigraphic unit deposited during a certain corresponding span of time during an era in the geologic timescale.
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