But by now we know enough to expect that, don’t we?:
A tiny crab is the first to be found trapped in amber from the dinosaur era. It lived in a forest area of South-East Asia 99 million years ago.
Remarkably similar to modern crabs, the 5-millimetre-long crustacean is fully preserved, making it “the most complete crab [fossil] ever discovered”, says Javier Luque at Harvard University.
Christa Lesté-Lasserre, “99-million-year-old crab discovered trapped inside amber” at New Scientist (October 2021)
Was 99 mya a good time for preservation in amber? We can’t find vid of the crab fossil but there is a snake from the same era (and see bird skull noted below):
You may also wish to read: Stasis: Life goes on but evolution does not happen
and
Tiny 99 Mya Bird (?) Skull Trapped In Amber Raises Many Questions