"The Quest for the Great Grey Mossy" is a novelette by Harry Turtledove published in the January/February, 2020 issue of Analog. It is set the timeline where the Chicxulub impactor missed Earth. While is was published after "Bonehunters", it is not a direct sequel or prequel to that work. Rather, it is a pastiche of Herman Melville's Moby-Dick. The narrator, Milvil describes his time as the member of a crew of intelligent dinosaurs under the command of the obsessed Captain Baja as they hunt for the titular Mosasaur. The timeframe of the story's setting is unclear.