缅甸北部中白垩世琥珀中最早的Eucradinae化石记录(鞘翅目:栉蚊科)

IF 1.5 3区地球科学 Q3 GEOSCIENCES, MULTIDISCIPLINARY

Bulletin of Geosciences Pub Date : 2023-06-30 DOI:10.3140/bull.geosci.1876

Y.-D. Li, T. K. Philips, Diying Huang, Chen-yang Cai

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引用次数: 0

摘要

飞虫科目前是一个多样化的甲虫科，中生代化石记录很少。本文报道了在中白垩世缅甸琥珀中发现的一种新的蜡质类化石Granulobium whitei Li, Philips & Cai gen. et sp. nov.，它代表了现存Eucradinae亚科的最早记录。细粒菌在Eucradinae科中可被识别为粗粒状的前凸部，无隆突或脊，前凸部间距狭窄，鞘翅不规则点状，腹内腔相对较短。我们的发现表明，中生代栉蚊科的生物多样性比以前认识到的要多。

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Earliest fossil record of Eucradinae in mid-Cretaceous amber from northern Myanmar (Coleoptera: Ptinidae)

Ptinidae is currently a diverse family of beetles with a sparse Mesozoic fossil record. Here a new ptinid fossil, Granulobium whitei Li, Philips & Cai gen. et sp. nov., is reported from midCretaceous Burmese amber, which represents the earliest record of the extant subfamily Eucradinae. Granulobium can be recognized within Eucradinae by its coarsely granulated pronotum with no carinae or ridges, narrowly separated procoxae, irregularly punctate elytra, and relatively short abdominal ventrite 4. Our discovery indicates that Mesozoic Ptinidae were more biodiverse than previously appreciated.

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来源期刊

Bulletin of Geosciences 地学-地球科学综合

CiteScore

3.10

自引率

5.30%

发文量

审稿时长

>12 weeks

期刊介绍： The Bulletin of Geosciences is an international journal publishing original research papers, review articles, and short contributions concerning palaeoenvironmental geology, including palaeontology, stratigraphy, sedimentology, palaeogeography, palaeoecology, palaeoclimatology, geochemistry, mineralogy, geophysics, and related fields. All papers are subject to international peer review, and acceptance is based on quality alone.