ScymnodonScymnodon is a genus of squaliform sharks in the family Somniosidae.SpeciesThere are currently four recognized species in this genus:Scymnodon ichiharai Ka. Yano & S. Tanaka (II), 1984 Scymnodon macracanthus Scymnodon plunketi Scymnodon ringens Barbosa du Bocage & Brito Capello, 1864