Gyrosigma murphyi G.Reid 2003

Publication Details
Gyrosigma murphyi G.Reid 2003: 126-142, figs 1-74

Published in: Reid, G. & Williams, D.M. (2003). Systematics of the Gyrosigma balticum complex (Bacillariophyta), including three new species. Phycological Research 51(2): 126-142.

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Publication date: June 2003

Type Species
The type species (holotype) of the genus Gyrosigma is Gyrosigma hippocampus Hassall.

Status of Name
This name is of an entity that is currently accepted taxonomically.

Type Information
Mersea Island, England. Marine; (Reid & Williams 2003: 139) Holotype: (Reid & Williams 2003: 139)

Description
Valves linear, vaulted, sigmoid, tapering to obtuse apices. Length 200-400 mm, width 25-35 mm. Longitudinal and transverse striae 11-15 in 10 mm. Raphe central, undulate. External central raphe fissures dedflected in opposite directions. Central bars thick and chunky, surrounded by large hyaline areas. At the apex, above raphe fissures and helictoglossa there is a row of pores. Two plate-like, incised chloroplasts lying under the valve along the length of the cell.

Created: 30 November 2004 by Sandy Lawson.

Last updated: 06 January 2010

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Linking to this page: https://www.algaebase.org/search/species/detail/?species_id=65932

Citing AlgaeBase
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 06 January 2010. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. https://www.algaebase.org; searched on 28 March 2024

 
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