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Bibliography Record

x Kasuya, Toshio; Nishiwaki, Masaharu
  1978
On the age characteristics and anatomy of the tusk of Dugong dugon.
Sci. Rept. Whales Res. Inst. No. 30: 301-310. 1 tab. 3 figs. 4 pls. Dec. 1978.
–Monthly and annual growth layers identified in tusks; females thought to be sexually mature at about 10 years and to live at least 45 years.

Related Index Records

8 related index terms

Age Determination
(SEE ALSO: Birth and Breeding; Embryology & Ontogeny; Growth Rates; Population Biology)
x  1978Kasuya & Nishiwaki (DD; tusks; 301-310, 4 pls.)
Birth and Breeding
(SEE ALSO: Age Determination; Behavior, Sexual; Population Biology; Urogenital System)
x  1978Kasuya & Nishiwaki (DD; female thought to be mature at about 10 years; 303, 306-308.)
Captivity, Sirenians in
(SEE ALSO: Hunting and Capture; Weed Control)
x  1978Kasuya & Nishiwaki (DD; Japan; 301-303.)
Dugong dugon (Müller, 1776) Palmer, 1895
x  1978Kasuya & Nishiwaki (age determination by tusk growth layers; 301-310, 4 pls.)
East Indies
(SEE ALSO: Asia; Australia; Indian Ocean; Pacific Ocean; Palau; Papua New Guinea; Philippine Islands)
x  1978Kasuya & Nishiwaki (DD; Celebes, Luzon, Mulgrave & Thursday Islands; 301-303.)
Histology
(SEE ALSO: Skeleton; other organ systems)
x  1978Kasuya & Nishiwaki (DD; incisor growth layers; 301-310, 4 pls.)
Philippine Islands
x  1978Kasuya & Nishiwaki (DD; Luzon; 301-302.)
Skeleton
(SEE ALSO: Age Determination; Embryology and Ontogeny; Histology; Myology; Sense Organs; Tooth Replacement; and under species)
x  1978Kasuya & Nishiwaki (DD; tusks & age determination; 301-310, 4 pls.)