First, My Beloved Brontosaurus author Brian Switek took issue with the film's (fictional) GM dinosaur's thumbs.
Then there was a zoologist irked by the distinct lack of feathered-dinosaurs.
And forked tongue-tips. WHERE ARE THE FORKED TONGUE-TIPS HOLLYWOOD?
It wasn't just the dinosaurs annoying people, even the apparent confusion of mosquitos and crane flies caused angry typing.
Released a couple of days early, the trailer opens on a boy going off to visit the titular adventure park, which offers safari rides and Seaworld-esque displays.
Things soon go south though, when a genetically-modified dinosaur breaks out of its enclosure, leaving only park ranger Chris Pratt and his dazzling jaw-line to save the day.
Bryce Dallas Howard, Ty Simpkins and Nick Robinson join Chris Pratt in the reboot, which is directed by Colin Trevorrow.
On the possibility of sequels, Trevorrow said recently: "We wanted to create something that would be a little bit less arbitrary and episodic, and something that could potentially arc into a series that would feel like a complete story."
Jurassic World opens in cinemas on 12 June, 2015.
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