Anis·ian | \ ə-ˈni-zh(ē-)ən, -ˈnē- \
Definition of Anisian
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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Time Traveler for Anisian
The first known use of Anisian was in 1899
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