Convoluted nasal passages function as efficient heat exchangers in ankylosaurs (Dinosauria: Ornithischia: Thyreophora) Bourke, Jason M. ; Porter, Wm. Ruger ; Witmer, Lawrence M. Abstract Publication: PLoS ONE Pub Date: December 2018 DOI: 10.1371/journal.pone.0207381 Bibcode: 2018PLoSO..1307381B