what is preserved in Burgess Shale
a. fossilized soft bodied organisms form the cambrian
b. fossilized sharks
c. modern echinoderms
d. only fossilized shelled animals
The Burgess Shale of British Columbia is famous for its exceptional preservation of mid-Cambrian organisms. Around 40 other sites have been discovered of a similar age, with soft tissues preserved in a similar, though not identical, fashion.
