Sunday, June 1, 2008

Oldest vertebrate fish mother found

The armored fish, Materpiscis attenboroughi, may have given birth to its young tail-first, similar to some sharks and rays.An armored fish was about to become a mom some 380 million years ago. Though the primitive fish perished, its fossilized remains remarkably reveal an embryo and umbilical cord inside the soon-to-be mother's body.




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