A Jiangshanian (Cambrian; Furongian) trilobite fauna from the Cow Head Group, western Newfoundland-Reference-Cited by-同舟云学术

A Jiangshanian (Cambrian; Furongian) trilobite fauna from the Cow Head Group, western Newfoundland

Published:2023-08-01 Issue:8 Volume:60 Page:1244-1264
ISSN:0008-4077
Container-title:Canadian Journal of Earth Sciences
language:en
Short-container-title:Can. J. Earth Sci.

Author:

Westrop Stephen R.¹^ORCID,Eoff Jennifer D.²

Affiliation:

1. Oklahoma Museum of Natural History and School of Geosciences, University of Oklahoma, Norman, OK 73072, USA

2. School of Geosciences, University of Oklahoma, Norman, OK 73019, USA

Abstract

Three shelf-derived boulders in debris flow conglomerates of the Downes Point Member of the Shallow Bay Formation of western Newfoundland yielded the first record of an Upper Cambrian shelf-margin trilobite fauna from the Elvinia Zone (Steptoean; Jiangshanian) in eastern North America. The fauna is dominated by the “catillicephalid” Buttsia Wilson, 1951, and resembles trilobite biofacies from microbial buildups in the Gatesburg Formation of Pennsylvania. It is correlative with the Cliffia latagenae Subzone, which is the youngest Steptoean biostratigraphic unit in the Gatesburg. New taxa are Triorygma burkhalteri gen. et sp. nov. and Buttsia trema sp. nov.

Publisher

Canadian Science Publishing

Subject

General Earth and Planetary Sciences

Link

https://cdnsciencepub.com/doi/pdf/10.1139/cjes-2023-0036

Reference76 articles.

1. Lower Ordovician trilobites from western Utah and eastern Nevada

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