缅甸珀中的Nuttalliellidae:对的进化产生影响
Lidia Chitimia-Dobler1,2, Stephan Handschuh3, Jason A Dunlop4
1Department of Rickettsiology and Virology, Bundeswehr Institute of Microbiology, Munich, Germany.
Parasitology
|April 16, 2024
概括
来自缅甸珀的化石虫揭示了Nuttalliellidae家族,包括Nuttalliella属,曾经广泛分布在非洲,南极洲和澳大利亚,这表明古老的虫起源. 这挑战了人们对的分布和演化现有的理解.
科学领域:
- 古生物学的古生物学
- 类动物学 类动物学 类动物学
- 进化生物学 进化生物学
背景情况:
- 被分为三个现存的家族:Argasidae,Ixodidae和Nuttalliellidae,Nuttalliellidae有一个在非洲热带地区的物种.
- 在缅甸和伊比利亚珀中发现的Deinocrotonidae化石证据表明,这个血统的古代分布更广泛.
- 现存的Nuttalliella namaqua的有限分布引发了关于的历史地理范围和起源的问题.
研究的目的:
- 为了描述来自白纪中期缅甸珀的新化石.
- 重新评估Deinocroton在家族中的分类学分类.
- 为了推断Nuttalliellidae家族的古生物学地理和进化历史.
主要方法:
- 来自缅甸珀的八个化石的描述和分析,包括新物种和新属.
- 对现存的家族的化石种群进行比较形态分析.
- 基于化石分布和构造历史的古地理重建.
主要成果:
- 发现了两种新的Deinocroton物种,五种新的Nuttalliella物种和一个新的属,Legionaris,来自缅甸珀.
- 将Deinocroton重新归类为Nuttalliellidae家族的一部分,将其扩展到三个属:Deinocroton,Legionaris和Nuttalliella.
- 有证据表明,在白纪期间,Nuttalliella在非洲,南极洲和澳大利亚有着广泛的分布.
结论:
- 努塔利利科家族可能起源于比其目前的非洲热带地区范围更广泛的分布.
- 这些发现支持澳大利亚潜在的未发现的现存Nuttalliella物种.
- 的非洲热带起源仍然是一个可信的假设,尽管更广泛的古代分布现在是显而易见的.
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