Scanning electron microscopy of the dermal denticles. Squalus shiraii sp. nov. (A, B): HUMZ 149389 (holotype), adult male, 590 mm TL. S. formosus (C, D): CSIRO H-6816-01 (holotype), adult male, 720 mm TL. S. mitsukurii (E, F): HUMZ 102987, adult male, 970 mm TL. S. japonicus (G, H): NSMT-P 44380 (neotype), adult male, 645 mm TL (G); NSMT-P 91127, juvenile female, 410 mm TL (H). S. brevirostris (I, J): NSMT-P 47378, adult female, 600 mm TL (I); KAUM-I 187, adult female, 578 mm TL (J). S. suckleyi (K, L): NSMT P-92640, adult female, 970 mm TL. Scale bars: 50μm (B); 100 μm (D, F, L); 200 μm (A, C, E, G–K).

 
 
  Part of: Viana STFL, Carvalho MR (2020) Squalus shiraii sp. nov. (Squaliformes, Squalidae), a new species of dogfish shark from Japan with regional nominal species revisited. Zoosystematics and Evolution 96(2): 275-311. https://doi.org/10.3897/zse.96.51962  

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