An early Capitanian (Middle Permian) foraminiferal connection between southern British Columbia, Canada and South Primorye, Russian Far East

被引:1
|
作者
Nestell, Merlynd K. [1 ]
Nestell, Galina P. [1 ]
机构
[1] Univ Texas Arlington, Dept Earth & Environm Sci, 500 Yates St,Box 19049, Arlington, TX 76019 USA
关键词
Foraminifera; Middle Permian; Capitanian; British Columbia; South Primorye; AKIYOSHI LIMESTONE GROUP; FUSULINE FAUNAS; TERRANE; PALEOBIOGEOGRAPHY; BLOCKS; JAPAN; STAGE; PART;
D O I
10.1007/s12542-021-00547-w
中图分类号
Q91 [古生物学];
学科分类号
0709 ; 070903 ;
摘要
New foraminiferal assemblages consisting of fusulinids and smaller foraminifers have been described from a basalt/carbonate rock block (locality 51F7) and small outcrop of thin-bedded limestone (locality 51F6) located near the entrance to Marble Canyon west-southwest of the town of Cache Creek in southern British Columbia, Canada. The locality 51F7 contains diverse fusulinid and smaller foraminiferal faunas, whereas the locality 51F6 contains only fusulinids. The studied fusulinid assemblage is totally devoid of neoschwagerinids or verbeekinids, and contains genera such as Sichotenella and Wutuella that have never been reported from the Western Hemisphere. The studied foraminiferal fauna contains a group of taxa very similar to several species described from the Primorye area of the Russian Far East and Japan. Some fusulinids present, Reichelina and Codonofusiella, and smaller foraminifers are also similar to Capitanian age species of the Delaware Basin area of West Texas. The age of the British Columbia fauna appears to be Middle Permian, Guadalupian, earliest Capitanian, but a latest Wordian age cannot be excluded. Four new species are described: Reichelina cachecreekensis sp. nov., Sichotenella danneri sp. nov., Codonofusiella marblensis sp. nov., and Parafusulina turquoisensis sp. nov.
引用
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页码:591 / 612
页数:22
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