You know what it looks like… but what is it called?
TAKE THE QUIZAnisian
adjective
Anis·ian
ə-ˈni-zh(ē-)ən,
-ˈnē-
geology
: of, relating to, or being the earliest division of the Middle Triassic lasting from approximately 245 million years ago until 237 million years ago
However, vertebrate paleontological evidence, as yet unsupported by palynology, seems to show that some associated sediment of the Fundy Basin probably is even older than Ladinian, referable to the preceding Anisian Stage.—
Alfred Traverse, Science, 12 June 1987
see Geologic Time Table
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Merriam-Webster unabridged
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