Panthalassa
Americannoun
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
These remains are locked within rock layers that began as soft mud on the seafloor, formed in an ancient ocean that stretched across mid to high paleolatitudes and bordered the massive Panthalassa Super-ocean.
From Science Daily • Dec. 30, 2025
Panthalassa, trained by Yoshito Yahagi and ridden by Yutaka Yoshida, paid $34.10 to win in international pari-mutuel pools.
From Los Angeles Times • Feb. 25, 2023
Sent off at 15-1 odds, Panthalassa ran 1 1/8 miles in 1:50.79 under Yutaka Yoshida.
From Seattle Times • Feb. 25, 2023
Shonisaurus glided barge-like thousands of miles through an ocean known as Panthalassa, the ancient version of today’s Pacific, to breed and deliver their offspring, according to a new study in Current Biology.
From Washington Post • Dec. 19, 2022
By mixing up the contents of the different continents people have recreated, in a virtual form, the world of 200m years ago—a world with but one sea, Panthalassa, and one vast continent, Pangaea.
From Economist • Aug. 3, 2017
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.