Cursorily, one would say that its respiratory apparatus handled oxygen rather than carbon dioxide; and there were odd evidences of air-storage chambers and methods of shifting respiration from the external orifice to at least two other fully developed breathing-systems-gills and pores.
Bazirudien haren arnas aparatuak oxigenoa erabiltzen zuela, eta ez karbono dioxidoa; eta, harrigarriro, ageri zen bazituela bai aire-gordailuak, bai arnasketa aldatzeko ahalmena goiko irekigunetik erabat garatutako beste bi sistematara, gutxienez: zakatzak eta poroak.