Parr 1930. On the osteology and classification of the pediculate fishes of the genera Aceratias, Rhyncho-ceratias, Haplophryne, Laevoceratias, Allector and Lipactis, with taxonomic and osteological description of Rhynchoceratias longipinnis, new species, and a special discussion of the rostral structures of the Aceratiidae. Occasional Papers of the Bingham Oceanographic Collection, 3 1930: 23 pp.