Writer-artist Mark Schultz's series Xenozoic Tales was adapted for television in 1993 under the title, Cadillacs & Dinosaurs, by which point Schultz had brought the book over to Marvel Comics from its original publisher, Kitchen Sink. Rather than produce Cadillacs themselves, Marvel licensed the series to Canadian animation giant Nelvana. Meanwhile, the company also passed on doing a book based on the TV show. Topps, better known for Bazooka gum and trading cards, had experimented with expanding into comics at the time, and aquired a license to adapt Cadillacs back to comics form. Weird, isn't it? Set in the 26th century, Schultz's vision may have been inspired by Michael Crichton's Jurassic Park before that became a movie. Sadly, Cadillacs was cancelled after 1 season, after which Nelvana would try again, this time with a different comics publisher, but that's for another time.
Here's the open to Cadillacs & Dinosaurs: