Matt’s harsh-but-fair “Derp dah durr” / “Ah hurr hurr hurr” captions on his Giraffatitan skull photos reminded me that there is a sauropod with a much, much stupider head than that of Giraffatitan . Step forward YPM 1910, a mounted skeleton that is the holotype of Camarasaurus (= “ Morosaurus “) lentus , in the dinosaur hall of the Yale Peabody Museum. Full details on this specimen next time!