来自下白垩统的两个 Ghilarellinae 新种(膜翅目,栉水母科,鮨科

IF 1.9 3区 地球科学 Q1 GEOLOGY Cretaceous Research Pub Date : 2024-03-10 DOI:10.1016/j.cretres.2024.105875
Yi Li , Mei Wang , Alexandr P. Rasnitsyn , Chungkun Shih , Jialiang Zhuang , Dong Ren
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引用次数: 0

摘要

根据中国东北地区下白垩统义县地层中一个保存完好的压缩化石标本,描述并说明了Sepulcidae科的一个新种(sp. nov.)。新种的特征是体型较大;前翅肋部基部明显变窄,无 Sc 和 2r-m,1-Rs 短,1mcu 胞大;产卵器拉长。此外,"...... "一文中将 cf. 命名为新种。提供了一个更新的已知种的检索表。此外,在 Ghilarellinae 亚科中首次报道了一个保存完好的产卵器。这两个新种不仅增加了更多的形态特征,加深了我们对Ghilarellinae的了解,而且扩大了Ghilarellinae化石记录的分布范围。
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Two new species of Ghilarellinae (Hymenoptera, Cephoidea, Sepulcidae) from the Lower Cretaceous

One new species, Ghilarella elegantula sp. nov., in the family Sepulcidae is described and illustrated based on a well-preserved compression fossil specimen from the Lower Cretaceous Yixian Formation of northeastern China. The new species is characterized by having a large body size; forewing with costal area obviously narrowed basally, Sc and 2r-m absent, 1-Rs short, cell 1mcu large; and ovipositor elongated. In addition, Ghilarella cf. mercurialis is given its own name Ghilarella kopylovi as the new species in Ghilarella. An updated key for the known species of Ghilarella is provided. Moreover, a well-preserved ovipositor is reported for the first time in the subfamily Ghilarellinae. The two new species not only improve our understanding of Ghilarella by adding more morphological features, but also expand the distribution ranges of Ghilarellinae fossil records.

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来源期刊
Cretaceous Research
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.
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