Geographic range extensions of stalked, flabelliform sponges (Porifera) from eastern Canada with a new combination of a species of Plicatellopsis in the North Atlantic

Three new species records, Axinella arctica (Vosmaer, 1885), Semisuberites cribrosa (Miklucho-Maclay, 1870), and Cladocroce spatula (Lundbeck, 1902), and one new combination, Plicatellopsis bowerbanki (Vosmaer, 1885) comb. nov. from eastern Canada are described. The four species have similar growth...

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Bibliographic Details
Published in:Zootaxa
Main Authors: DINN, CURTIS, LEYS, SALLY P., ROUSSEL, MYLÈNE, MÉTHÉ, DENISE
Format: Article in Journal/Newspaper
Language:English
Published: Mangolia Press 2020
Subjects:
Porifera
Gulf of St. Lawrence
Canadian Arctic
Geographic Range Extensions
Taxonomy
Northwest Atlantic Ocean
Arctic
Canada
North Atlantic
Northwest Atlantic
Online Access:https://www.mapress.com/j/zt/article/view/zootaxa.4755.2.6
https://doi.org/10.11646/zootaxa.4755.2.6
Description
Summary:Three new species records, Axinella arctica (Vosmaer, 1885), Semisuberites cribrosa (Miklucho-Maclay, 1870), and Cladocroce spatula (Lundbeck, 1902), and one new combination, Plicatellopsis bowerbanki (Vosmaer, 1885) comb. nov. from eastern Canada are described. The four species have similar growth forms which are either fan or cup-shaped with obvious stalks. This is the first description of a member of the genus Plicatellopsis in the North Atlantic, and the second record of the genus in the northern hemisphere. The four species described here have a history of misidentification in eastern Canada and this work aims to guide future identifications in the region.

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