Schaufussinus gen. nov., a mosaic stem-group Pselaphitae from Eocene Baltic amber (Coleoptera: Staphylinidae: Pselaphinae)

doi:10.1127/pala/2024/0150

NIGPAS OpenIR

	Schaufussinus gen. nov., a mosaic stem-group Pselaphitae from Eocene Baltic amber (Coleoptera: Staphylinidae: Pselaphinae)
通讯作者	Yin, Zi-Wei([email protected])
	Yin, Zi-Wei 1; Cai, Chen-Yang2,3
	2024-07-05
发表期刊	PALAEONTOGRAPHICA ABTEILUNG A-PALAOZOOLOGIE-STRATIGRAPHIE
ISSN	0375-0442
页码	13
摘要	The poorly known fossil record of the ant-loving beetle supertribe Pselaphitae during the Eocene is limited to two extant and six extinct genera originated from Baltic amber, mostly described by SCHAUFUSS in 1890, whose material has been lost and was presumably destroyed during World War II. Here, we describe Schaufussinus longiscapus gen. et sp. nov from the Eocene of Europe, and interpret its detailed anatomy using X-ray microtomography. The new taxon possesses 1) a greatly protruding rostrum of the head, 2) a moderately tumid submental region, 3) a multiply sulcate pronotum with a complex foveal pattern, 4) widely separated meso- and metacoxae, 5) a dorsally exposed tergite III and a well-developed sternite III, 6) paratergal foveae on segments V and VI, and 7) a single pretarsal claw of all legs, showing a mosaic morphology relating to modem Arhytodini and Pselaphini. Our discovery sheds new light on the palaeodiversity and ancestral traits of a currently well-established pselaphine lineage on a Laurasia-derived continent during the middle to late Eocene, and constrains the divergence time of Arhytodini + Pselaphini between 45.0 - 38.0 to 24 -20 Ma.
关键词	ant-loving beetle fossil Eocene Europe X-ray microtomography morphology
DOI	10.1127/pala/2024/0150
收录类别	SCI
语种	英语
资助项目	National Natural Science Foundation of China[32370465] ; National Natural Science Foundation of China[1925008] ; National Natural Science Foundation of China[42288201]
WOS研究方向	Paleontology
WOS类目	Paleontology
WOS记录号	WOS:001267035300001
项目资助者	National Natural Science Foundation of China
出版者	E SCHWEIZERBARTSCHE VERLAGSBUCHHANDLUNG
文献类型	期刊论文
条目标识符	http://ir.nigpas.ac.cn/handle/332004/44016
专题	中国科学院南京地质古生物研究所
通讯作者	Yin, Zi-Wei
作者单位	1.Shanghai Normal Univ, Coll Life Sci, Lab Systemat Entomol, Shanghai 200234, Peoples R China 2.Chinese Acad Sci, Nanjing Inst Geol & Palaeontol, State Key Lab Palaeobiol & Stratig, Nanjing 210008, Peoples R China 3.Chinese Acad Sci, Ctr Excellence Life & Palaeoenvironm, Nanjing 210008, Peoples R China
推荐引用方式 GB/T 7714	Yin, Zi-Wei,Cai, Chen-Yang. Schaufussinus gen. nov., a mosaic stem-group Pselaphitae from Eocene Baltic amber (Coleoptera: Staphylinidae: Pselaphinae)[J]. PALAEONTOGRAPHICA ABTEILUNG A-PALAOZOOLOGIE-STRATIGRAPHIE,2024:13.
APA	Yin, Zi-Wei,&Cai, Chen-Yang.(2024).Schaufussinus gen. nov., a mosaic stem-group Pselaphitae from Eocene Baltic amber (Coleoptera: Staphylinidae: Pselaphinae).PALAEONTOGRAPHICA ABTEILUNG A-PALAOZOOLOGIE-STRATIGRAPHIE,13.
MLA	Yin, Zi-Wei,et al."Schaufussinus gen. nov., a mosaic stem-group Pselaphitae from Eocene Baltic amber (Coleoptera: Staphylinidae: Pselaphinae)".PALAEONTOGRAPHICA ABTEILUNG A-PALAOZOOLOGIE-STRATIGRAPHIE (2024):13.