全新纪纪元记录的缓慢 (Nycticebus sp.) 的记录. 在爪 (印度尼西亚)
Ben Gruwier1,2, Noel Amano3
1Department of Art Sciences and Archaeology, Multidisciplinary Archaeological Research Institute, Vrije Universiteit Brussel, Brussels, Belgium.
American journal of biological anthropology
|August 26, 2023
概括
在Holocene Java中发现的化石车 (Nycticebus) 很可能代表 Nycticebus javanicus 或 Nycticebus coucang. 形态测量分析显示,随着时间的推移,没有显著的尺寸减少,这表明这些缓慢的鱼种群的环境适应是一致的.
科学领域:
- 古生物学的古生物学
- 灵长类动物学 灵长类动物学
- 动物学 动物学
背景情况:
- (亚) 化石驼在东南亚很少见,这阻碍了对它们的分类学和环境影响的理解.
- 在爪,慢 (Nycticebus) 的分类学关系和进化历史仍然不太清楚.
- 全新世环境变化及其对Nycticebus分布和形态的影响尚不清楚.
研究的目的:
- 综合尼克提塞布斯在全新世纪爪的出现情况.
- 分析化石鱼的牙残骸,以澄清它们的分类学地位.
- 为了调查整个全新世纪内尼克蒂塞布斯大小的潜在变化.
主要方法:
- 从文学和博物馆记录中编制了在爪出现的 (亚) 化石慢路里斯的综合.
- 对10只 (亚) 化石驼的下和大进行了形态分析.
- 将形态测量数据与现存的Nycticebus标本进行比较,以评估尺寸和形状的变化.
主要成果:
- 在爪东部确定了五个全新世尼克提塞巴斯.
- 所有标本都与Nycticebus javanicus和Nycticebus coucang的范围保持一致.
- 来自Hoekgrot,Gua Jimbe和Sampung的标本表明与N. javanicus的亲缘关系,并确定了一些大型个体.
结论:
- 在历史上,尼克提塞巴斯可能发生在整个爪.
- 化石遗骸最好被识别为Nycticebus javanicus或Nycticebus coucang,新石器时期的发现可能是N. javanicus.
- 形态测量数据表明临床尺寸变化,但没有证据表明在全新纪期间尺寸减小.
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