Panthalassa

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Panthalassa

[‚pan·thə′las·ə]
(geology)
The hypothetical proto-ocean surrounding Pangea, supposed by some geologists to have combined all the oceans or areas of oceanic crust of the earth at an early time in the geologic past.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
spinifera complex has a panthalassic distribution, having been reported in almost all Arctic marginal seas, North Atlantic, the Mediterranean, tropical and temperate waters of the Pacific, Atlantic, and Indian oceans, the Drake Passage, and to the NE of the Ross Sea, Antarctica.
Global distribution: A panthalassic species reported from the Arctic Ocean, Chukchi, Kara, Barents, and White Seas, northoreast Atlantic, Baltic, North, Black, and Mediterranean Seas, tropical areas of the Pacific, Atlantic, and Indian Oceans, Australian and Argentinian coastal waters, the Bellinghausen, Weddell, and Ross Seas (Okolodkov, 1998; unpubl.
During that period, Laurasia and Gondwana became welded together to constitute the supercontinent Pangaea rimmed by a broad and unique watermass, the Panthalassic ocean or Panthalassa (Fig.