65671 Chiasmodon microcephalus Norman, 1929 Chiasmodontidae Snaketooth fishes Scombriformes Teleostei Circumglobal in the southern parts of the Atlantic, Indian, and Pacific, and the Southern Ocean. High Seas only. BMNH 1930.1.12.1060 39 s 36 w 1926 Chiasmodon microcephalus 0 - 1500 m