Fossil mammals don’t get the attention they deserve. If you’ve ever been to the sprawling fossil halls of one of the great eastern museums – the American Museum of Natural History, the Field, the Carnegie, the Peabody – you know what I mean. The skeletons of ancient camels, horses, cats, sloths, and their beastly kin are often treated as osteological distractions by visitors who are swiftly moving in the direction of the dinosaurs. And this imbalance holds for news, too. A new horned dinosaur with an unusual arrangement of ornaments is catnip for click-hungry websites, but a fossil mammal with headgear that’s just as strange? You’ll barely hear a peep. And while this post won’t solve this gross imbalance in