白垩纪中期克钦琥珀中发现的一种新的唇形蠼（皮囊虫目：唇形目）

IF 1.9 3区地球科学 Q1 GEOLOGY

Cretaceous Research Pub Date : 2024-08-23 DOI:10.1016/j.cretres.2024.105994

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引用次数: 0

摘要

蠼科 Labiduridae 在 Dermaptera 的系统发育中占据重要地位，而且显然非常古老，在白垩纪中期甚至早白垩纪就有出现。然而，关于该科的古生物学数据仍然很少。在这里，我们报告了来自白垩纪中期克钦琥珀中的一个新的唇龙属和种。Metaxylabis baii gen. et sp.该属可被排除在目前所有的唇龙科亚科之外，并被归入自己的亚科 Metaxylabidinae subfam.文中还对中生代化石的系统发育亲缘关系以及对古生物学和基因组数据进行更广泛采样的必要性进行了评论。

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A new labiduroid earwig from mid-Cretaceous Kachin amber (Dermaptera: Labiduroidea)

The earwig family Labiduridae occupies a putatively important position in the phylogeny of Dermaptera and is clearly of significant antiquity, with occurrences from the mid-Cretaceous and perhaps the Early Cretaceous. Nonetheless, palaeontological data on the family remains scant. Here we report a new genus and species of labidurids from mid-Cretaceous Kachin amber. Metaxylabis baii gen. et sp. nov. is described and figured, and its characters are compared with those of all other Mesozoic Labiduridae. The genus can be excluded from all of the current subfamilies of Labiduridae and is placed in its own subfamily, Metaxylabidinae subfam. nov. Remarks are given on the phylogenetic affinities of Mesozoic fossils and the need for more extensive sampling of palaeontological and genomic data.

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来源期刊

Cretaceous Research 地学-地质学

CiteScore

4.10

自引率

19.00%

发文量

235

审稿时长

12 weeks

期刊介绍： Cretaceous Research provides a forum for the rapid publication of research on all aspects of the Cretaceous Period, including its boundaries with the Jurassic and Palaeogene. Authoritative papers reporting detailed investigations of Cretaceous stratigraphy and palaeontology, studies of regional geology, and reviews of recently published books are complemented by short communications of significant new findings. Papers submitted to Cretaceous Research should place the research in a broad context, with emphasis placed towards our better understanding of the Cretaceous, that are therefore of interest to the diverse, international readership of the journal. Full length papers that focus solely on a local theme or area will not be accepted for publication; authors of short communications are encouraged to discuss how their findings are of relevance to the Cretaceous on a broad scale. Research Areas include: • Regional geology • Stratigraphy and palaeontology • Palaeobiology • Palaeobiogeography • Palaeoceanography • Palaeoclimatology • Evolutionary Palaeoecology • Geochronology • Global events.