The narial aperture is thus pushed up, and is short, with an upward direction, as in the Cetacea and sirenia, with whom the Proboscidea have certain affinities.
"Natural History of the Mammalia of India and Ceylon"
Robert A. Sterndale
Hence the scientific title "sirenia" for the family to which the dugong belongs.
"The Confessions of a Beachcomber"
E J Banfield