• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Journal of Paleontology >Cladid crinoids from the late Kinderhookian Meadville Shale, Cuyahoga formation of Ohio
【24h】

Cladid crinoids from the late Kinderhookian Meadville Shale, Cuyahoga formation of Ohio

机译：来自Kinderhookian Meadville页岩晚期，俄亥俄州Cuyahoga组的Cladid滨海藻类

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

A total of 17 species of cladid crinoids are documented from the late Kinderhookian Meadville Shale Member of the Cuyahoga Formation of northeastern Ohio, the most diverse assemblage of Kinderhookian-age cladids known in North America. One new genus, six new species, and seven new combinations are reported. New taxa include Cuyahogacrinus lodiensis new genus and species, and the new species Cyathocrinites simplex, Atelestocrinus meszarosi, Goniocrinus sceletus, Aphelecrinus gracilis, and Lebetocrinus ohioensis. New combinations include Logocrinus warreni (Laudon et al., 1952), Histocrinus aegina (Hall, 1863), Paracosmetocrinus richfieldensis (Worthen, 1882), P. corycia (Hall, 1863), Acylocrinus lyriope (Hall, 1863), Linocrinus merope (Hall, 1863), and L. paternus (Hall, 1863). Remaining taxa include Cyathocrinites lamellosus (White, 1863) and Ascetocrinus whitei (Hall, 1861), both of which also occur in the Osagean Burlington Limestone, and the endemic species Cosmetocrinus crineus (Hall, 1863) and Pachylocrinus subtortuosus (Hall, 1863). Collectively, the cosmopolitan genera and species of cladids show a greater overall affinity with Osagean cladid faunas than with other Kinderhookian cladid faunas. However, this is true for other Kinderhookian cladid faunas as well that individually have more taxa in common with Osagean faunas than other Kinderhookian faunas. This suggests a greater degree of endemism and local speciation during the Kinderhookian as a prelude to the rapid radiation of cladids, and other crinoids, during the Osagean.
机译：俄亥俄州东北部Cuyahoga组的晚期Kinderhookian Meadville页岩成员记录了总共17种cladind滨海类藻类，这是北美已知的Kinderhookian时代最多样化的类群。报告了一个新属，六个新种和七个新组合。新的分类单元包括新的Cuyahogacrinus lodiensis属和种，以及新的Cyathocrinites simplex，Atelestocrinus meszarosi，Goniocrinus sceletus，Aphhelecrinus gracilis和Lebetocrinus ohioensis新种。新组合包括Logocrinus warreni（Laudon等，1952），Histocrinus aegina（Hall，1863），Paracosmetocrinus richfieldensis（Worthen，1882），P。corycia（Hall，1863），Acylocrinus lyriope（Hall，1863），Linocrinus merope（ Hall，1863年）和L. paternus（Hall，1863年）。其余的分类单元包括蓝藻（Cyathocrinites lamellosus）（怀特（White，1863））和白蜡糖（Acetocrinus whitei（Hall，1861）），它们也都发生在Osagean Burlington石灰岩中，以及特有种Cosmetocrinus crineus（Hall，1863）和Pachylocrinus subtortuosus（Hall，1863）。总体而言，世界大家庭的克拉德物种和物种与奥金沙群岛的克拉迪德动物群相比，与其他金德胡克的克拉迪德动物群具有更大的整体亲和力。但是，这对于其他Kinderhookian的角斗动物群也是正确的，与其他Kinderhookian的动物群相比，与Osagean动物群共同拥有更多的分类单元。这表明，在Kinderhookian时期，地方性流行度和地方物种形成程度更高，这是Osagean时期对cladds和其他类海百合快速辐射的序幕。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号