"Animalia" . . "Chondrichthyes" . . . . "Squalidae" . . . "Squalus cubensis Howell Rivero 1936" . . . . . . "Cuban Dogfish" . . "Squalus" . "Squalus cubensis" . . . . "Howell Rivero 1936" . "Chordata" . "Squaliformes" . .