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Re: Alternatives to K-T boundary?



> If the term "Tertiary" is acceptable only in the United States,
> what does everyone else call the "K-T boundary"?

K-Pg boundary. The abbreviation Pg is AFAIK not official, though*, and it'll
take some time for the T to disappear from everyone's heads! :-)

* So far, the symbols for periods don't consist of more than one character.
"Tr" for Triassic actually consists of a T with a small capital R fused to
it.