Brian Switek does fantastic work writing about dinosaurs. I haven't finished his new book, My Beloved Brontosaurus , just yet, but it's shaping up to be fantastic — all about the slow, lumbering dinosaurs of our childhoods and how our conception of them morphed into something totally different. He's going to be on Science Friday on, well, Friday. And he's written them a post about four distinctive but seldom-discussed dinosaurs that should really get their 15 minutes of fame.