Keywords: Oxynotus centrina.jpg Angular roughshark Oxynotus centrina From plate 6 of Oceanic Ichthyology by G Brown Goode and Tarleton H Bean published 1896 PD-old From http //www photolib noaa gov/historic/nmfs/images/big/figb0582 jpg Oxynotus centrina Oceanic Ichthyology Goode and Bean |