MULLIGAN ET AL.: OTOCONIA FROM FOUR NEW ZEALAND CHIMAERIFORMES 



FiGiiRE IB. — Broken portion of central mass of Hydrolagus otolith. Closed arrow indicates pockmarked fea- 

 tures on the surface of the otoconium. The internal morphology of otolith consists of otoconia fused together 

 (open arrow). Bar = 0. 1 mm. 



Figure IC. — Mass of otoconia from Harriotta. Bar = 1 mm. 



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