It doesn’t seem at all reasonable to think the fossilization process only happens to some few species of animals while leaving others untouched.
How in the world could this happen? Doesn’t make sense, yet that’s what evolutionism seems to suggest.
Listen to this brief commentary in which David Berlinski, a prominent left leaning, agnostic philosopher and mathematician, refutes evolutionism:
https://www.youtube.com/watch?v=SOtGb8hKyWE