do prehistoric animals and animals end up in completely different categories? like, bull sharks vs megalodon, or three-toed sloths vs giant sloths? or is it all under animals?
Living animals are in the 590s, extinct/fossil animals are in the 560s
bull shark (597.3) vs megalodon (567.3)
three-toed sloth (599.313) vs giant sloth (569.3)













