Bibliography Record

x
 
Kasuya, Toshio; Nishiwaki, Masaharu (detail)
   
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)

Age Determination
(SEE ALSO: Birth and Breeding; Embryology & Ontogeny; Growth Rates; Population Biology)
  x 1978 Kasuya & Nishiwaki (DD; tusks; 301-310, 4 pls.)

Birth and Breeding
(SEE ALSO: Age Determination; Behavior, Sexual; Population Biology; Urogenital System)
  x 1978 Kasuya & 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 1978 Kasuya & Nishiwaki (DD; Japan; 301-303.)

Dugong dugon (Müller, 1776) Palmer, 1895
  x 1978 Kasuya & 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 1978 Kasuya & Nishiwaki (DD; Celebes, Luzon, Mulgrave & Thursday Islands; 301-303.)

Histology
(SEE ALSO: Skeleton; other organ systems)
  x 1978 Kasuya & Nishiwaki (DD; incisor growth layers; 301-310, 4 pls.)

Philippine Islands
  x 1978 Kasuya & Nishiwaki (DD; Luzon; 301-302.)

Skeleton
(SEE ALSO: Age Determination; Embryology and Ontogeny; Histology; Myology; Sense Organs; Tooth Replacement; and under species)
  x 1978 Kasuya & Nishiwaki (DD; tusks & age determination; 301-310, 4 pls.)


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