Aptian

(redirected from Aptian Stage)

Aptian

[′ap·tē·ən]
(geology)
Lower Cretaceous geologic time, between Barremian and Albian. Also known as Vectian.
References in periodicals archive ?
The discovery also indicated sea turtles had evolved into three families by the Cretaceous' Late Aptian stage, earlier than believed so far, the report said.
The offshore field, located in the Caspian Sea, has gas and oil located within the Albian and Aptian stages, and Neocomean superstage of the Early Cretaceous sediments in water depths of ten metres.