Sci­en­tist rewrites saga of cray­fish

China Daily (Hong Kong) - - CHINA - By CANG WEI in Nan­jing cang­wei@chi­nadaily.com.cn

Cray­fish orig­i­nated in China, not North Amer­ica as com­monly be­lieved, ac­cord­ing to a re­searcher at the Chi­nese Academy of Sci­ences.

Not that it mat­ters much to the Chi­nese peo­ple for whom the fresh crus­taceans are a fa­vorite snack on sum­mer nights — but it’s nice to know.

Shen Yan­bin at the Nan­jing In­sti­tute of Ge­ol­ogy and Pa­le­on­tol­ogy said the old­est fos­sil cray­fish found in China dates to 124 mil­lion years ago, while the old­est one found in North Amer­ica can only be traced back 100 mil­lion years.

“By far it is the ear­li­est fos­sil cray­fish found in the world,” said Shen, who has scru­ti­nized and re­searched hun­dreds of fos­sil cray­fish un­earthed in Liaon­ing prov­ince, to­gether with his col­leagues.

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