9014 Halosaurus attenuatus Garman, 1899 Halosauridae Halosaurs Notacanthiformes Teleostei Eastern Atlantic: Gulf of Guinea. Eastern Pacific: Panama, and off the Galapagos Islands. FB 2743065 Halosaurus attenuatus 2488.800048828125 m AMNH 12836 1911 Halosaurus attenuatus