Как по Английски будет допотопный

noun

The remains or impression of a prehistoric plant or animal embedded in rock and preserved in petrified form.

Примеры использования:

Sites rich in fossils

adjective

Existing or occurring before the flood described in the biblical book of genesis, or (in later use) before a widespread flood as described in other mythological traditions; of or relating to the period before such a flood.

adverb

In times before the flood described in the biblical book of genesis, or (later) before any widespread flooding.

adjective

Of or belonging to the time before the biblical flood.

Примеры использования:

Gigantic bones of antediluvian animals

adjective

Antediluvian.