Figure 2 The parasagittal section of the left nasal chamber of 16NPCK-M009. (a) Medial view of the nasal chamber and the posteriorly adjoining olfactory bulb chamber. (b) A closer medial view of the nasal chamber following the removal of ethmoturbinals I and II. The lateral region of the nasal chamber becomes visible. The regions previously occupied by the ethmoturbinals I and II are indicated by circles outlined with white dashed lines. The left and bottom sides correspond to the posterior and ventral directions, respectively. Abbr: ET I and II, ethmoturbinal I and II, respectively; ET I p, ethmoturbinal I posterior part; FT, frontoturbinal; LSC, lamina semicircularis; OB, olfactory bulb.