当前位置: X-MOL 学术Sci. Rep. › 论文详情
Carnivoran hunting style and phylogeny reflected in bony labyrinth morphometry.
Scientific Reports ( IF 4.011 ) Pub Date : 2019-Jan-1 , DOI: 10.1038/s41598-018-37106-4
Julia A Schwab, Jürgen Kriwet, Gerhard W Weber, Cathrin Pfaff

Carnivorans are a highly diverse and successful group of mammals, found on the top of the food chain. They originated in the Palaeocene (ca. 60 Ma) and have developed numerous lifestyles, locomotion modes and hunting strategies during their evolutionary history. Mechanosensory organs, such as the inner ear (which houses senses of equilibrium and hearing), represent informative anatomical systems to obtain insights into function, ecology and phylogeny of extant and extinct vertebrates. Using µCT scans, we examined bony labyrinths of a broad sample of various carnivoran species, to obtain new information about hunting behaviours of ancient carnivorans. Bony labyrinths were digitally reconstructed and measurements were taken directly from these 3D models. Principal component analyses generally separated various hunting strategies (pursuit, pounce, ambush and occasional), but also support their phylogenetic relationships (Canoidea vs. Feloidea). The height, width and length of all three semicircular canals show functional morphological adaptations, whereas the diameter of the canals, the height of the cochlea and particularly the angle between the lateral semicircular canal and the cochlea indicate a phylogenetic signal. The results demonstrate that the bony labyrinth provides a powerful ecological proxy reflecting both predatory habits as well as phylogenetic relationships in extinct and extant carnivorans.
更新日期:2019-01-11

 

分享到
评论: 0
全部期刊列表>>
世界艾滋病日
聚焦计算机科学热点话题
专业的论文科学编辑
营养学精选
2019学者们关注的物理学前沿热点
科学报告最新材料科学研究
编辑特刊征稿中
SpringerNature放射学专题精选,限时免费获取
第三届全国有机场效应晶体管会议
化学研究精选热文热刊限时下载
外科周专题精选
女性科学家研究精选
论文投稿三步走
研究荟萃限时开放
BMC粉红丝带关怀月
超材料精选
世界精神卫生日
金属-有机框架材料的物理性质
Springer环境科学期刊推荐
环境科学特刊限时开放中
自然合作期刊论文精选
Orcid
高分子化学
北京夏禾科技有限公司
上海纽约大学
加州大学洛杉矶分校博士后招聘启事
招聘实习生
BMC Public Health
课题组网站
Springer Nature
Nature中文内容
X-MOL
广州大学大湾区环境研究院
北京大学分子工程苏南研究院
中山大学化学工程与技术学院
南方科技大学机械与能源工程系葛锜
试剂库存
X-MOL文献直达记录功能上线
天合科研
2017年中科院JCR分区化学大类列表
化合物查询
down
wechat
bug