Problematic tubular fossils from the Portfjeld Formation (Ediacaran) of North Greenland

被引：3
|
作者：
Willman, Sebastian [1 ]
Peel, John S. [1 ]
机构：
[1] Uppsala Univ, Dept Earth Sci, Palaeobiol, Villavagen 16, SE-75236 Uppsala, Sweden
来源：
JOURNAL OF PALEONTOLOGY | 2024年 / 98卷 / 02期
关键词：
DOUSHANTUO FORMATION; SOUTH CHINA; MICROFOSSILS; PRESERVATION; BIOTA;
D O I：
10.1017/jpa.2022.43
中图分类号：
Q91 [古生物学];
学科分类号：
0709 ; 070903 ;
摘要：
Two rare, phosphatized, tubular microfossils of uncertain affinity, probably algal, are described from the Portfjeld biota (Ediacaran) of North Greenland. Portfjeldia aestatis n. gen. n. sp. preserves two tubules, one of which branches, within an annulated outer sheath. Its morphology can be compared to that of the much larger Ramitubus from the Weng'an biota of South China. An unnamed long, parallel-sided tubule occupied the postmortal cavity formed within diagenetically mineralized specimens of the cyanobacterium Jiangispirellus.
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收藏
页码：221 / 231
页数：11
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