{"id":"31d711b2-8803-4d13-a444-55c40acc465d","title":"佛罗里达海费里期印度熊和近剑齿虎化石共同埋藏（原始图片数据）","title_en":"Coexistence of Indarctos and Amphimachairodus (Carnivora) in the Late Early Hemphillian of Florida, North America","serial":"","user_limit":"为尊重知识产权、保障数据作者的权益、扩展数据中心的服务、评估数据的应用潜力，请数据使用者在使用数据所产生的研究成果中（包括公开发表的论文、论著、数据产品和未公开发表的研究报告、数据产品等成果），明确注明数据来源和数据作者。对于转载（二次或多次发布）的数据，作者还须注明原始数据来源。","instructions":"论文插图+出现顺序\n直接引用","description":"佛罗里达Withlacoochee River 4A地区的近剑齿虎化石（Hemphillian North American陆生哺乳动物时代晚期，Hh2， ~ 7.5-6.5 Ma）是该属在北美地区保存最完好的标本，包括颅齿标本和颅后标本，但迄今为止只有颅骨标本被描述过。在本研究中，我们描述了来自同一地点的这种熊的其他材料，并回顾了北美因达克托斯的记录。来自Withlacoochee River 4A的Indarctos具有与典型的俄勒冈Indarctos一致的牙齿特征，但明显更细长的后颅骨。来自Withlacoochee河4A的Indarctos与旧大陆的Indarctos zdanskyi有共同的特征，可能是他们在新大陆的后裔。来自Withlacoochee河4A的马齿兽显示出典型的特征（例如，存在明显的P4准备柱和下颌法兰），这使得可以将其归因于amphimachaidus而不是Nimravides。\n从形态上看，该种群与旧大陆Amphimachairodus horribilis的亲缘关系较强，与Hh3 Amphimachairodus coloradensis的亲缘关系较弱。此前，北美记录的Amphimachairodus大多为晚Hemphillian (Hh3-4， ~ 6.5-4.5 Ma)，与另一种熊类“Agriotherium”同时出现。来自Withlacoochee河4A的标本证明了amphimachaidus在Hh2时期从亚洲分散开来。Indarctos的特殊形态和amphimacairodus在Hh2动物群中的存在表明，环境在重要动物群出现之前就已经开始发生变化。\n数据来源为拍摄或绘制。数据包括原始图片，清晰度高。可用于进一步引用及科学传播等工作。","doi":"https://doi.org/10.1007/s10914-021-09546-9","projection":"","language":"zh","share_type":"offline","east":130.0,"west":80.0,"south":30.0,"north":50.0,"scale":null,"crs":null,"filesize":200.0,"share_policy":"c","ts_created":"2022-01-05T14:01:38.046251+08:00","doi_type":"拥有自主知识产权","ts_updated":"2022-03-09T10:04:47.673945+08:00","time_description":"","datas_group":0,"time_description_en":"","data_format":null,"project":[11],"specials":[],"cite":null,"review_status":5,"review_invite":[{"user_name":"兰中伍","username":"兰中伍","email":"lzw1981@126.com","is_cancel_expert":false}],"review_editor":{"id":42421,"last_login":"2022-04-08T15:16:51.670544+08:00","username":"任慧霞","email":"510727846@qq.com","is_active":true,"is_staff":true,"user_name":"任慧霞"},"data_sources":null,"temporal_resolution":"1000 year < x","spatial_resolution":"100km - 1000km","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[21],"subtopics":{"metadata":"31d711b2-8803-4d13-a444-55c40acc465d","three_pole":null,"third_pole":null},"username":"李强","review_time":null,"protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":108}