The Littorina Sea – with the rise in sea level and the submergence of the Øresund strait, the Baltic again communicated with the North Sea beginning ~ 7,800 ΒP to present.
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:* The Mastogloia Sea - a substage sometimes used to distinguish the period between 8000 and 7000 years ago when the Baltic became distinctly brackish - during this period the English Channel and the Danish straits circulation was established, increasing Atlantic water inflow.
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The Baltic Ice Lake, the Yoldia Sea, the Ancylus Lake and the Littorina Sea are four recognized stages in the postglacial progression of the Baltic basin – there are also transition periods which can be considered as substages.
Black Sea | Mediterranean Sea | Baltic Sea | North Sea | Red Sea | Caspian Sea | Caribbean Sea | Adriatic Sea | Aegean Sea | South China Sea | Sea of Japan | Irish Sea | Westland Sea King | Dead Sea | Arabian Sea | Tyrrhenian Sea | Southend-on-Sea | East China Sea | Ionian Sea | Bering Sea | White Sea | Kara Sea | First Sea Lord | Manly-Warringah Sea Eagles | Dead Sea Scrolls | British Sea Power | Tasman Sea | Sea Islands | Great Big Sea | Coral Sea |
In Scandinavia, the time following the ice age begins at circa 9500 BC and is called at first the Yoldia Stage (after the Yoldia Sea, then the Ancylus Stage, after the Ancylus Lake in turn named after Ancylus fluviatilis, a small fresh-water gastropod from this time.