Map of the North-western Pacific Ocean, showing the geographical distribution of Squalus species. A: S. shiraii sp.nov. (red); B: S. mitsukurii (orange); C: S. japonicus (brown); D: S. brevirostris (yellow); E: S. acutirostris (green); F: S. suckleyi (pink). Star: holotype/ neotype; Dotted circle: paratypes; Circle: other material.

  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.