Ross, Andrew, Clark, Neil D L and Miller, Randall F (2018) The distribution of Schramocaris (Eumalacostraca, Crustacea) along the northwestern coast of the Rheic Ocean during the Lower Carboniferous. Earth and Environmental Science Transactions of the Royal Society of Edinburgh. ISSN 1755-6910

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Abstract

Two new species of Schramocaris from the Viséan, Lower Carboniferous of Scotland and eastern Canada extend the range and distribution of this crustacean along the northwestern coast of the Rheic Ocean. New species from Glencartholm, southern Scotland and Upperton, New Brunswick, Canada represents the first recognised occurrence of this genus in Scotland and Canada. The Scottish species is here named S. clarksoni; it lacks the rugosity of the carinae of Schramocaris gilljonesorum, but has the same relative position of the carinae, as well as similar characteristics of the pleon, such as the relative lengths of the somites and the shape of the telson. The Canadian species is named Schramocaris matthewi on the basis of the papillations on the cuticle and robust second carinae of the carapace. The deposits at both these localities are that of a shallow marine argillaceous environment, although the Glencartholm deposit contains more lime. Schramocaris has previously only been known from the Avon Group (Hastarian) of the Forest of Dean, England.

Item Type: Article
Uncontrolled Keywords: Canada; crustacean; marine; Scotland; Tealliocaris; Viséan
Subjects: D History General and Old World > DA Great Britain
F History United States, Canada, Latin America > F1001 Canada (General)
Q Science > QE Geology
Q Science > QL Zoology
Theme: Understanding the natural world
Department: Natural Sciences
Related URLs:
Depositing User: Ross Anderson
Date Deposited: 01 Feb 2018 16:31
Last Modified: 01 Feb 2018 16:31
URI: http://repository.nms.ac.uk/id/eprint/1984

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