Lower jaw morphology of the last surviving tritylodontid <i>Fossiomanus sinensis</i> from the Early Cretaceous Jehol Biota, Liaoning Province, China

doi:10.4202/app.01232.2024

IVPP-IR

	*Lower jaw morphology of the last surviving tritylodontid Fossiomanus sinensis* from the Early Cretaceous Jehol Biota, Liaoning Province, China**
	Wang, Haibing 1,2; Xie, Junfang 3; Yu, Zhiqiang 4; Hai, Lun 5,6; Zhu, Zifan 1,2; Zheng, Wenjie 3; Wang, Yuanqing1,2
	2025
发表期刊	ACTA PALAEONTOLOGICA POLONICA
ISSN	0567-7920
卷号	70 期号:2 页码:285-289
通讯作者	Wang, Haibing(wanghaibing@ivpp.a.c.cn)
摘要	Tritylodontids are close relatives of mammals with specialized teeth adapted for herbivory. Despite their diversification during the Jurassic, the fossil record of this clade suggests they declined significantly in the Cretaceous when they are mainly represented by fragmentary dental remains. The exception is the Early Cretaceous taxon Fossiomanus sinensis Mao et al., 2021. Here we describe a new mandible of this species from the same locality as the holotype specimen. The new specimen provides more complete information on mandible shape and tooth morphology, filling a knowledge gap for this iconic Cretaceous tritylodontid, given that cranial morphology in the holotype of F. sinensis remains insufficiently studied. Additionally, the fossil record of F. sinensis represents the youngest known tritylodontid (similar to 119 Ma, Aptian) and the latest non-mammaliaform cyno dont, shedding light on the evolutionary history of early mammalian relatives.
DOI	10.4202/app.01232.2024
收录类别	SCI
语种	英语
资助项目	National Natural Science Foundation of China[42288201] ; National Natural Science Foundation of China[42272017] ; Youth Innovation Promotion Association, CAS[2021068]
项目资助者	National Natural Science Foundation of China ; Youth Innovation Promotion Association, CAS
WOS研究方向	Paleontology
WOS类目	Paleontology
WOS记录号	WOS:001502876300002
出版者	INST PALEOBIOLOGII PAN
引用统计
文献类型	期刊论文
条目标识符	http://119.78.100.205/handle/311034/24600
专题	中国科学院古脊椎动物与古人类研究所
通讯作者	Wang, Haibing
作者单位	1.Chinese Acad Sci, Key Lab Vertebrate Evolut & Human Origins, Inst Vertebrate Paleontol & Paleoanthropol, Beijing 100044, Peoples R China 2.Univ Chinese Acad Sci, Coll Earth & Planetary Sci, Beijing 100049, Peoples R China 3.Zhejiang Museum Nat Hist, Hangzhou 310014, Zhejiang, Peoples R China 4.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Planetary Sci & Frontier Technol, Beijing 100029, Peoples R China 5.Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, Key Lab Vertebrate Evolut & Human Origins, Beijing 100044, Peoples R China 6.China Univ Geosci, Sch Earth Sci & Resources, Beijing 100083, Peoples R China
推荐引用方式 GB/T 7714	Wang, Haibing,Xie, Junfang,Yu, Zhiqiang,et al. Lower jaw morphology of the last surviving tritylodontid Fossiomanus sinensis from the Early Cretaceous Jehol Biota, Liaoning Province, China[J]. ACTA PALAEONTOLOGICA POLONICA,2025,70(2):285-289.
APA	Wang, Haibing.,Xie, Junfang.,Yu, Zhiqiang.,Hai, Lun.,Zhu, Zifan.,...&Wang, Yuanqing.(2025).Lower jaw morphology of the last surviving tritylodontid Fossiomanus sinensis from the Early Cretaceous Jehol Biota, Liaoning Province, China.ACTA PALAEONTOLOGICA POLONICA,70(2),285-289.
MLA	Wang, Haibing,et al."Lower jaw morphology of the last surviving tritylodontid Fossiomanus sinensis from the Early Cretaceous Jehol Biota, Liaoning Province, China".ACTA PALAEONTOLOGICA POLONICA 70.2(2025):285-289.