Dental topography and diet in marsupials and comparisons with primates [0.03%]
有袋类动物的齿面形态类型及其与灵长类动物的比较研究
Dorien de Vries,Amy Gao,Darin A Croft et al.
Dorien de Vries et al.
Dental topography is a powerful tool for investigating the relationship between diet and tooth shape in mammals. Here, we test whether dental topographic metrics (DTMs) can accurately predict diet in marsupials based on 81 lower molars from...
Metabolic skinflint or spendthrift? Insights into ground sloth integument and thermophysiology revealed by biophysical modeling and clumped isotope paleothermometry [0.03%]
代谢守财奴还是败家子？生物物理模型和团簇同位素古温度测定法揭示的树懒皮肤和热生理学的新见解
Michael D Deak,Warren P Porter,Paul D Mathewson et al.
Michael D Deak et al.
Remains of megatheres have been known since the 18th -century and were among the first megafaunal vertebrates to be studied. While several examples of preserved integument show a thick coverage of fur for smaller ground sloths living in col...
Investigating the reliability of metapodials as taxonomic Indicators for Beringian horses [0.03%]
研究中趾骨作为白令马分类指标的可靠性
Zoe Landry,Mathew J Roloson,Danielle Fraser
Zoe Landry
The metapodials of extinct horses have long been regarded as one of the most useful skeletal elements to determine taxonomic identity. However, recent research on both extant and extinct horses has revealed the possibility for plasticity in...
The Thorny Issue of African Porcupines: a New Mandible of Hystrix makapanensis from Olduvai Gorge (Tanzania) and Rediagnosis of the Species [0.03%]
非洲豪猪的棘手问题：Olduvai Gorge（坦桑尼亚）Hystrix makapanensis的新颌骨和重新诊断物种
Beatrice Azzarà,Marco Cherin,Justin Adams et al.
Beatrice Azzarà et al.
Several porcupine taxa are reported from the middle Miocene to the early Holocene in the Old World. Among these, five species of the subfamily Hystricinae occurred in Africa approximately in the last 6 Ma: the extinct Hystrix makapanensis, ...
New Skull Material of Taeniolabis taoensis (Multituberculata, Taeniolabididae) from the Early Paleocene (Danian) of the Denver Basin, Colorado [0.03%]
丹尼森阶涛氏齿裂齿兽新颅骨材料：来自科罗拉多州丹佛盆地的多瘤齿兽类标本
David W Krause,Simone Hoffmann,Tyler R Lyson et al.
David W Krause et al.
Taeniolabis taoensis is an iconic multituberculate mammal of early Paleocene (Puercan 3) age from the Western Interior of North America. Here we report the discovery of significant new skull material (one nearly complete cranium, two partia...
Petrosal Anatomy of the Paleocene Eutherian Mammal Deltatherium fundaminis (Cope, 1881) [0.03%]
始新世真兽类哺乳动物Deltatherium fundaminis (Cope，1881)的岩层解剖学
Sarah L Shelley,Ornella C Bertrand,Stephen L Brusatte et al.
Sarah L Shelley et al.
We describe the tympanic anatomy of the petrosal of Deltatherium fundaminis, an enigmatic Paleocene mammal based on cranial specimens recovered from New Mexico, U.S.A. Although the ear region of Deltatherium has previously been described, t...
Feeding Ecology in Oligocene Mylodontoid Sloths (Mammalia, Xenarthra) as Revealed by Orthodentine Microwear Analysis [0.03%]
基于正齿结构微磨损分析的橄榄汇新近鸟类(Mylodontoid懒散兽)的摄食生态学研究
Daniela C Kalthoff,Jeremy L Green
Daniela C Kalthoff
Recently, dental microwear analysis has been successfully employed to xenarthran teeth. Here, we present new data on use wear features on 16 molariforms of Orophodon hapaloides and Octodontotherium grande. These taxa count among the earlies...
A Digital Endocranial Cast of the Early Paleocene (Puercan) 'Archaic' Mammal Onychodectes tisonensis (Eutheria: Taeniodonta) [0.03%]
早古新世（普鲁克阶）“原始”哺乳动物带蹄齿兽类恐妖兽一根森氏种的数字化颅内模（真兽类 带蹄齿兽超科）
James G Napoli,Thomas E Williamson,Sarah L Shelley et al.
James G Napoli et al.
Eutherian mammals-placentals and their closest extinct relatives-underwent a major radiation following the end-Cretaceous extinction, during which they evolved disparate anatomy and established new terrestrial ecosystems. Much about the tim...
The Skull of Epidolops ameghinoi from the Early Eocene Itaboraí Fauna, Southeastern Brazil, and the Affinities of the Extinct Marsupialiform Order Polydolopimorphia [0.03%]
巴西东南部早始新世伊塔波亚动物群中的Epidolops ameghinoi头骨以及灭绝有袋类形类Polydolopimorphia目系统发育关系
Robin M D Beck
Robin M D Beck
The skull of the polydolopimorphian marsupialiform Epidolops ameghinoi is described in detail for the first time, based on a single well-preserved cranium and associated left and right dentaries plus additional craniodental fragments, all f...
The Great American Biotic Interchange: Dispersals, Tectonics, Climate, Sea Level and Holding Pens [0.03%]
伟大的美洲生物交流：扩散、构造、气候、海平面和暂居地
Michael O Woodburne
Michael O Woodburne
The biotic and geologic dynamics of the Great American Biotic Interchange are reviewed and revised. Information on the Marine Isotope Stage chronology, sea level changes as well as Pliocene and Pleistocene vegetation changes in Central and ...