Gelidium pusillum (Stackhouse) Le Jolis 1863
Current name:
Gelidium pusillum (Stackhouse) Le Jolis
Hawaii; apex showing single dome-shaped apical cell; scale 20 µm - 15 August 2011. J.M. Huisman
Publication Details
Gelidium pusillum (Stackhouse) Le Jolis 1863: 139
Published in: Le Jolis, A. (1863). Liste des algues marines de Cherbourg. Mémoires de la Société Impériale des Sciences Naturelles de Cherbourg 10: 5-168, pls I-VI [1-6].
Request PDFType Species
The type species (holotype) of the genus Gelidium is Gelidium corneum (Hudson) J.V.Lamouroux.
Status of Name
This name is of an entity that is currently accepted taxonomically.
Basionym
Fucus pusillus Stackhouse
Type Information
Type locality: Sidmouth, Devon, England; (Dixon & Irvine 1977: 129) Lectotype (provisional): BM; (Dixon & Irvine 1977: 139)
Origin of Species Name
Adjective (Latin), very small (Stearn 1983).
General Environment
This is a marine species.
Description
Cartilaginous, purplish or blackish red, turf-forming, 2-10 mm high, arising from an extensive creeping base and incorporating shell debris and small molluscs. Erect fronds flattened and leaf-like and 0.5-2 mm broad.
Habitat
On rock in upper intertidal forming extensive mat-like growths below Pelvetia canaliculata, particularly on vertical or near-vertical surfaces. Sometimes associated with Catenella caespitosa and Rhodothamniella purpurea. Widely distributed, common.
Key Characteristics
Turf formation in the upper intertidal, blackish-red colour when slightly dry, and extensive rhizoids.
Similar Species
Catenella caespitosa also forms turf- or mat-like extensions but is softer has has the appearance of small cocktail sausages.
Created: 30 March 1996 by M.D. Guiry.
Last updated: 03 June 2021
Verification of Data
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Linking to this page: https://www.algaebase.org/search/species/detail/?species_id=17
Citing AlgaeBase
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 03 June 2021. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. https://www.algaebase.org; searched on 22 November 2024
