TOOTH ERUPTION IN REEVES MUNTJAC (MUNTIACUS-REEVESI) AND ITS USE AS A METHOD OF AGE ESTIMATION (MAMMALIA, CERVIDAE)

被引:26
作者
CHAPMAN, DI [1 ]
CHAPMAN, NG [1 ]
COLLES, CM [1 ]
机构
[1] ANIM HLTH TRUST, EQUINE RES STN, NEWMARKET CB8 7PN, SUFFOLK, ENGLAND
关键词
D O I
10.1111/j.1469-7998.1985.tb03529.x
中图分类号
Q95 [动物学];
学科分类号
071002 ;
摘要
The sequence of tooth eruption and replacement in Reeves'' muntjac was determined from captive animsls of known age. Pronounced sexual dimorphism is shown by the permanent upper canine which in the male is large, tusk-like and is used as a weapon. The upper canine was the 1st deciduous tooth to be replaced in males, at approximately 21 wk of age, compared with 53-57 wk in the female. The permanent mandibular teeth erupted in the order: molars, 1st and 2nd incisors, premolars, 3rd incisor and canine. The maxillary teeth erupted in the order: 1st molar, canine (in male), 2nd and 3rd molars, canine (in female), premolars. The full complement of 34 functional permanent teeth was attained by 83-92 wk of age.
引用
收藏
页码:205 / 221
页数:17
相关论文
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