Morphology and ecology of the bradoriid arthropods Spinospitella and Nikolarites from the Cambrian (Series 2, Stage 4) of North Greenland (Laurentia)

被引：0
|
作者：
John S. Peel
Christian B. Skovsted
Elise Wallet
机构：
[1] Uppsala University,Department of Earth Sciences (Palaeobiology)
[2] Swedish Museum of Natural History,Department of Palaeobiology
来源：
PalZ | 2021年 / 95卷
关键词：
Bradoriida; Morphology; Ecology; Cambrian (Series 2; Stage 4); North Greenland; Laurentia;
D O I：
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中图分类号：
学科分类号：
摘要：
Tuberculate fragments referred to Nikolarites spasskyi are compared with a complete carapace and other material of Spinospitella from Cambrian Series 2, Stage 4 in North Greenland. The descriptions expand earlier brief records from Laurentia of the two bradoriids, originally described from Siberia and Australia, respectively. The mutually exclusive occurrences of the two taxa indicate ecological control of their distribution in North Greenland. Robust fragments of Nikolarites spasskyi occur in reworked higher energy deposits of the Aftenstjernesø Formation, while thin-walled carapaces of Spinospitella characterise deeper water mudstones within the Buen and Aftenstjernesø formations.
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页码：413 / 427
页数：14
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