Exposed weapons: A revised reconstruction of the facial anatomy and life appearance of the saber-toothed cat <i>Megantereon</i> (Felidae, Machairodontinae)

doi:10.1002/ar.25622

IVPP-IR

	*Exposed weapons: A revised reconstruction of the facial anatomy and life appearance of the saber-toothed cat Megantereon* (Felidae, Machairodontinae)**
	Anton, Mauricio 1; Siliceo, Gema 2,3; Francisco Pastor, Juan 4; Jiangzuo, Qigao 5; Salesa, Manuel J.1
	2024-12-31
发表期刊	ANATOMICAL RECORD-ADVANCES IN INTEGRATIVE ANATOMY AND EVOLUTIONARY BIOLOGY
ISSN	1932-8486
页码	20
通讯作者	Salesa, Manuel J.(msalesa@mncn.csic.es)
摘要	Megantereon was a widespread saber-toothed felid from the Pliocene and Pleistocene of the Old World and North America, but its rarity in the fossil record makes it complicated to restore its life appearance. Lack of complete specimens makes it necessary to combine information from fossils of different individuals to reconstruct their facial anatomy. In this work, we combine the analysis of skulls and mandibles of Megantereon from various fossil sites with the study of extant carnivorans through dissection, 3D scans, and the observation of live individuals. Megantereon combined very elongated upper canines with mandibular flanges that were not deep enough to match the length of the sabers, as well as a wide maxilla combined with narrow incisor rows and mandibular symphysis. Such features are compatible with the presence of exposed canines in life, because the narrow symphysis allows room to accommodate lips and other soft tissues medial to the sabers, while the protrusion of the tips of the upper canines beyond the mental flanges makes it unlikely that they would be enveloped in soft tissue sheaths, which would dangle with the inherent risk of puncture. Megantereon was transitional between saber-toothed felids with covered upper canines, where saber length fits with mental flange depth, and the derived Smilodon where the upper canines are much longer than the flanges and the lips fit between upper canines and mandible, leaving the upper canine crowns largely exposed in life.
关键词	anatomy muscles Paleobiology Smilodontini
DOI	10.1002/ar.25622
关键词[WOS]	EARLY PLEISTOCENE ; LATE MIOCENE ; MAMMALIA ; CARNIVORA ; DISPERSAL ; SPAIN
收录类别	SCI
语种	英语
资助项目	Ministerio de Ciencia e Innovacion, Gobierno de Espana ; Ministerio de Ciencia, Innovacion y Universidades, Gobierno de Espana[COEVOFEL PID2023-146476NB-I00] ; MCIN/AEI[EVOFEL PID2020-112642GB-I00]
项目资助者	Ministerio de Ciencia e Innovacion, Gobierno de Espana ; Ministerio de Ciencia, Innovacion y Universidades, Gobierno de Espana ; MCIN/AEI
WOS研究方向	Anatomy & Morphology
WOS类目	Anatomy & Morphology
WOS记录号	WOS:001387469500001
出版者	WILEY
引用统计
文献类型	期刊论文
条目标识符	http://119.78.100.205/handle/311034/24200
专题	中国科学院古脊椎动物与古人类研究所
通讯作者	Salesa, Manuel J.
作者单位	1.CSIC, Museo Nacl Ciencias Nat, Dept Paleobiol, C Jose Gutierrez Abascal 2, Madrid 28006, Spain 2.Fdn ARAID Agencia Aragonesa Invest & Desarrollo, Zaragoza, Spain 3.Fdn Conjunto Paleontol Teruel Dinopolis, Teruel, Spain 4.UNIV VALLADOLID, FAC MED, Dept Anat, VALLADOLID, Spain 5.Chinese Acad Sci, Inst Vertebrate Paleontol & Paleoanthropol, Key Lab Vertebrate Evolut & Human Origins, Beijing, Peoples R China
推荐引用方式 GB/T 7714	Anton, Mauricio,Siliceo, Gema,Francisco Pastor, Juan,et al. Exposed weapons: A revised reconstruction of the facial anatomy and life appearance of the saber-toothed cat Megantereon (Felidae, Machairodontinae)[J]. ANATOMICAL RECORD-ADVANCES IN INTEGRATIVE ANATOMY AND EVOLUTIONARY BIOLOGY,2024:20.
APA	Anton, Mauricio,Siliceo, Gema,Francisco Pastor, Juan,Jiangzuo, Qigao,&Salesa, Manuel J..(2024).Exposed weapons: A revised reconstruction of the facial anatomy and life appearance of the saber-toothed cat Megantereon (Felidae, Machairodontinae).ANATOMICAL RECORD-ADVANCES IN INTEGRATIVE ANATOMY AND EVOLUTIONARY BIOLOGY,20.
MLA	Anton, Mauricio,et al."Exposed weapons: A revised reconstruction of the facial anatomy and life appearance of the saber-toothed cat Megantereon (Felidae, Machairodontinae)".ANATOMICAL RECORD-ADVANCES IN INTEGRATIVE ANATOMY AND EVOLUTIONARY BIOLOGY (2024):20.