IMIS | Flanders Marine Institute
 

Flanders Marine Institute

Platform for marine research

IMIS

Publications | Institutes | Persons | Datasets | Projects | Maps
[ report an error in this record ]basket (0): add | show Printer-friendly version

Typification and taxonomy of Gyrosigma tenuissimum (W. Sm.) JW Griffith & Henfr., comparison with Gyrosigma coelophilum N. Okamoto & Nagumo and description of two new taxa: Gyrosigma tenuissimum var. gundulae var. nov and Gyrosigma baculum sp nov (Pleurosigmataceae, Bacillariophyta)
Sterrenburg, S.; De Haan, M.; Herwig, E.; Hargraves, E. (2014). Typification and taxonomy of Gyrosigma tenuissimum (W. Sm.) JW Griffith & Henfr., comparison with Gyrosigma coelophilum N. Okamoto & Nagumo and description of two new taxa: Gyrosigma tenuissimum var. gundulae var. nov and Gyrosigma baculum sp nov (Pleurosigmataceae, Bacillariophyta). Phytotaxa 172(2): 71-80
In: Phytotaxa. Magnolia Press: Auckland. ISSN 1179-3155, more
Peer reviewed article  

Available in Authors 

Author keywords
    Gyrosigma tenuissimum; Gyrosigma coelophilum; Gyrosigma tenuissimum var.gundulae; Gyrosigma baculum; typification

Authors  Top 
  • Sterrenburg, S.
  • De Haan, M.
  • Herwig, E.
  • Hargraves, E.

Abstract
    Gyrosigma tenuissimum (W.Sm.) J.W. Griffith & Henfr. was examined in the original material and an emended description is presented. Its protologue contains an error of taxonomic significance: in the type material, the valve and raphe sternum do not show the considerable flexure described and illustrated in Smith (1853). A comparison with Gyrosigma coelophilum N. Okamoto & Nagumo revealed that the latter, although similar in several characters, differs sufficiently in others to warrant separate specific status. Descriptions of two new taxa are given: Gyrosigma tenuissimum var. gundulae var. nov. and Gyrosigma baculum sp. nov. Both show very fine longitudinal striae at or beyond the limit of ordinary light microscopy and are practically non-sigmoid.

All data in IMIS is subject to the VLIZ privacy policy Top | Authors