Fig. 2

Section pictures of a female Amlyraja radiata (IPUW 7859) (a-f), a male Potamotrygon leopoldi (g-l) (IPUW 7358) and a male Scyliorhinus canicula (m-r) (EMRG-Chond-A-1). b) shows the posterior/anterior/horizontal semicircular canals in-situ, c) the skeletal labyrinth chamber with otoliths in-situ, d) sagitta e) lapillus f) asteriscus, h) the skeletal labyrinth chamber with the otoliths in-situ, i) the connection between sagitta and lapillus, j) sagitta, k) lapillus, l) asteriscus, n) the skeletal labyrinth chamber with otoliths in-situ, o) the sagitta and lapillus with the surrounding membrane-like structure, p) sagitta, q) lapillus, and r) asteriscus. A, G, M scale bar = 5 cm; B-F, H-L, and N-R scale bar = 1 mm