文章标题斯泰尔河流域Rovno琥珀白蚁一新属(等翅目，鼻白蚁科)

IF 2 4区地球科学 Q1 Earth and Planetary Sciences

Palaeontologia Electronica Pub Date : 2021-02-03 DOI:10.26879/1127

E. Perkovsky, A. Nel

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引用次数: 14

摘要

Lukotermes milescaput gen. et sp. 11 .是根据乌克兰Rovno地区Vladimirets地区始新世琥珀的一个晚期标本描述的。由于其头部形状，我们暂时将其归属于鼻白蚁科，异白蚁亚科。值得注意的是其外侧平行的长头囊和胫骨骨刺的比例为2:2:2。最后一个特征在这个科中很少见，也出现在密切相关的Serritermitidae科中，质疑其系统发育关系。只有在发现其他显示翼脉和下颌齿的标本后，这一点才会得到澄清。它也是一种非常小的白蚁，最小的鼻白蚁化石，也是仅次于伊普雷斯纳白蚁属的第二小的古近纪白蚁。Engel和Grimaldi, 2011。认为亲本初始重在Priabonian欧洲琥珀林季节性较低的中温气候条件下比在Ypresian Cambay林的热带气候条件下更为重要。这可能是为什么坎贝白蚁的小型化非常强，而在普里亚伯尼亚琥珀中几乎看不到的原因，而不是地貌学上的偏见。叶夫根尼·e·珀科夫斯基。乌克兰国家科学院Schmalhausen动物研究所，基辅，01030;2俄罗斯科学院A.A. Borissiak古生物研究所，Profsoyuznaya街123号，莫斯科，117868。perkovsk@gmail.com;https://orcid.org/0000-0002-79594379安德雷内尔。法国巴黎居维叶街75005号，索邦大学，欧洲高等教育研究所，安的列斯大学，CP50，法国巴黎居维叶街57号，生物多样性研究所(ISYEB)anel@mnhn.fr;https://orcid.org/0000-0002-4241-7651

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A new Rovno amber termite genus (Isoptera, Rhinotermitidae) from Styr river basin

Lukotermes milescaput gen. et sp. nov. is described on the basis of a dealate specimen from the Eocene amber of Vladimirets district of Rovno region (Ukraine). We provisionally attribute it to the family Rhinotermitidae, subfamily Heterotermitinae for its head shape. It is remarkable for its elongate head capsule with lateral sides parallel and its tibial spur formula 2:2:2. This last character is quite infrequent in this family, also present in the closely related family Serritermitidae, questioning its phylogenetic relationships. This point will be clarified only after the discovery of other specimens showing the wing venation and the mandibular dentition. It is also a very small termite, smallest fossil rhinotermitid, and the second smallest Paleogene termite after the Ypresian genus Nanotermes Engel and Grimaldi, 2011. It was supposed that initial weight of parents was more crucial in mesothermal climates with low seasonality of Priabonian European amber forests than in tropical climate of Ypresian Cambay forest. It could be the reason why miniaturization is very strong in Cambay termites and hardly seen in Priabonian ambers, rather than taphonomic biases. Evgeny E. Perkovsky. Schmalhausen Institute of Zoology, National Academy of Sciences of Ukraine, Kiev, 01030 Ukraine and 2 A.A. Borissiak Paleontological Institute, Russian Academy of Sciences, Profsoyuznaya Str. 123, Moscow,117868 Russia. perkovsk@gmail.com; https://orcid.org/0000-0002-79594379 André Nel. Institut de Systématique, Évolution, Biodiversité (ISYEB) Muséum national d’Histoire naturelle, CNRS, Sorbonne Université, EPHE, Université des Antilles, CP50, 57 rue Cuvier 75005 Paris, France. anel@mnhn.fr; https://orcid.org/0000-0002-4241-7651

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来源期刊

Palaeontologia Electronica 地学-古生物学

CiteScore

3.60

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： Founded in 1997, Palaeontologia Electronica (PE) is the longest running open-access, peer-reviewed electronic journal and covers all aspects of palaeontology. PE uses an external double-blind peer review system for all manuscripts. Copyright of scientific papers is held by one of the three sponsoring professional societies at the author''s choice. Reviews, commentaries, and other material is placed in the public domain. PE papers comply with regulations for taxonomic nomenclature established in the International Code of Zoological Nomenclature and the International Code of Nomenclature for Algae, Fungi, and Plants.