袋獾，Sarcophilus harrisii牙齿的发育(有袋目:袋獾科)

Q3 Multidisciplinary

Papers and Proceedings - Royal Society of Tasmania Pub Date : 1974-01-01 DOI:10.26749/rstpp.108.137

E. Guiler, R. Heddle

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引用次数: 9

摘要

除两种例外情况外，哈里斯石龙的牙齿出牙顺序遵循前-后顺序。上颌的第一门齿直到大约200天停止哺乳时才出现，犬齿直到臼齿开始出牙后才出现。尽管在牙齿出牙的时间和顺序上存在着相当大的差异，但年轻人的年龄可以通过结合牙齿状态的小腿长度和体重来确定。

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The eruption and growth of teeth in the Tasmanian Devil, Sarcophilus harrisii (Marsupialia: Dasyuridae)

The sequence of tooth eruption in Sarcophilus harrisii was found to follow an anterior- posterior sequence with two exceptions. The first incisors of the upper jaw did not erupt until the cessation of suckling at about 200 days and the canines did not appear until after the commencement of molar eruption. Although considerable variation exists in the time and sequence of eruption of the teeth, the age of the young can be determined using shank length and weight in combination with the status of the teeth.

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来源期刊

Papers and Proceedings - Royal Society of Tasmania Multidisciplinary-Multidisciplinary

CiteScore

0.60

自引率

0.00%

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