Definitions for panthalassa
pan·tha·las·sa

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1. Panthalassa

   Panthalassa, also known as the Panthalassic Ocean or Panthalassan Ocean (from Greek πᾶν "all" and θάλασσα "sea"), was the superocean that surrounded the supercontinent Pangaea, the latest in a series of supercontinents in the history of Earth. During the Paleozoic–Mesozoic transition c. 250 Ma it occupied almost 70% of Earth's surface. Its ocean floor has completely disappeared because of the continuous subduction along the continental margins on its circumference. Panthalassa is also referred to as the Paleo-Pacific ("old Pacific") or Proto-Pacific because the Pacific Ocean is a direct continuation of Panthalassa.

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1. Panthalassa

   Panthalassa, also known as the Panthalassic Ocean, was the vast global ancestral Pacific ocean that surrounded the supercontinent Pangaea, during the late Paleozoic and the early Mesozoic eras. It included the Pacific Ocean to the west and north and the Tethys Ocean to the southeast. It became the Pacific Ocean, following the closing of the Tethys basin and the breakup of Pangaea, which created the Atlantic, Arctic, and Indian Ocean basins. The Panthalassic is often called the Paleo-Pacific because the Pacific Ocean developed from it in the Mesozoic to the present. In the map on the right, the Earth's equator was a line that roughly crossed the spot where Spain, Casablanca and Boston met. South of that line, the land mass is referred to as Gondwana. North of the line, it is referred to as Laurasia. In the map on the right, the Panthalassa Ocean is depicted as an empty ocean. Plate tectonic studies have argued that during the Paleozoic and Mesozoic small fragments, or terranes, were drifting across the ocean until they accreted at the surrounding continental margins.

How to pronounce panthalassa?

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How to say panthalassa in sign language?

Numerology

1. Chaldean Numerology

   The numerical value of panthalassa in Chaldean Numerology is: 8

2. Pythagorean Numerology

   The numerical value of panthalassa in Pythagorean Numerology is: 4

References

1. ^ Wikipedia
   https://en.wikipedia.org/wiki/Panthalassa
2. ^ Wikidata
   https://www.wikidata.org/w/index.php?search=panthalassa