Humans are gone, what dominates the earth?

In 50 million years time when humans no longer exist, what will be the dominant species?, sharks are too lazy to evolve and they just seem to be getting smaller.. dolphins are pansys and they had their chance millions of years ago, but then again orca are of the dolphin family and seem to be on top in the areas they choose to roam. Will the blue whale grow a set of nuts and start eating stuff besides filtering sea-sperm and bits of a fish ****? Maybe those backbone-less ba_stids like jellyfish and squid will m and... nah they don't have what it takes.. i think... land creatures will be too tainted by humans and start glowing in the dark and crap like that, any human with the slightest bit of foresight can see thats true in some form. As much as i would like to think that given enough time it would phase back as nature intended, but we have a habit of phucking around with things we are too stupid to fully understand and before you know it, we drew a peniz on a monkeys face with a biological perm marker and now all his babies and future babies will be known as the sub species of monkeys with a fking peniz on their face. Opps going into another topic lol!, the only things that i know for a fact that eat sharks are orcas and other sharks and that isn't enough to phase the species. Humans on the other hand, shark fin soup. Sharks will not have a easy ride getting back to the top of the food chain, if they even recover. Iv'e come to the conclusion the animals and mammals of the ocean are ******, and that algae will eventually strive on the fact humans don't em and become 90 tonne tentical things that eat each other untill the ocean is full of their poo, in which case the world would become poo brown. Make a time machine, u'll see i'm right.