Something ancient still walks the world’s shorelines—creatures with armored shells and spiky tails that seem plucked from the ...

Remember, "skeletons" include bone, the protein shell of crabs or insects, the sturdy shells of clams ... but that the original material of the organism has not been changed to another substance. The ...

have identified the largest known crab fossil claw ever discovered. In their paper published in the journal New Zealand Journal of Geology and Geophysics, Barry W. M. van Bakel and Àlex Ossó ...