EZ,
This apparently rich bed of fossil embryos dates to the pre-Cambrian (around the time of the Burgess shale) and the primitive intracelluar structure supports the view that multi-cellular life forms were not yet highly evolved before the 'Cambrian explosion'.
Pedantic point of order; the Burgess Shale was Cambrian, the "embryo beds" predate this by quite a margin in the Precambrian. But interesting stuff, thanks for the heads-up.
Mark
There are 10 kinds of people in this world; those that understand binary, & those that don't
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