Gymnogongrus crenulatus (Turner) J.Agardh 1851
Current name:
Gymnogongrus crenulatus (Turner) J.Agardh
Finavarra, Co. Clare, Ireland; plants with tetrasporoblasts - 08 August 2004. Michael Guiry (mike.guiry@nuigalway.ie)
Publication Details
Gymnogongrus crenulatus (Turner) J.Agardh 1851: 320
Published in: Agardh, J.G. (1851). Species genera et ordines algarum, seu descriptiones succinctae specierum, generum et ordinum, quibus algarum regnum constituitur. Volumen secundum: algas florideas complectens. Part 1. pp. [i]-xii, [1]-336 + 337-351 [Addenda and Indices]. Lundae [Lund]: C.W.K. Gleerup.
Request PDFType Species
The type species (holotype) of the genus Gymnogongrus is Gymnogongrus griffithsiae (Turner) Martius.
Status of Name
This name is of an entity that is currently accepted taxonomically.
Basionym
Fucus crenulatus Turner
Type Information
Type locality: Oporto, Portugal; (Turner 1802) Lectotype: BM-K; (Turner 1802: pl. 8) Notes: See also Dixon & Irvine (1977: 217).
Origin of Species Name
Adjective (Latin), crenulate, having small rounded teeth (Stearn 1983).
General Environment
This is a marine species.
Description
Cartilaginous, fleshy, flattened, dark red fronds, to 100 mm high, with short cylindrical stipe from basal disc. Repeatedly dichotomous, branches strap-shaped, apices rounded, often paler than rest of frond. Reproductive structures appear as external, wart-like excescenses.
Habitat
Epilithic, lower littoral in pools and emergent, and sublittoral to 13 m, tolerant of sand cover; plants typically encrusted with species of Bryozoa, Foraminifera and calcareous algae (Dixon & Irvine 1977: 218, 219).
On sand-covered rocks, lower intertidal, southern and western coasts, often locally abundant.
Created: 30 March 1996 by M.D. Guiry.
Last updated: 06 February 2017
Verification of Data
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Distributional notes
Eastern Atlantic records are probably not of this species (Guiry, pers. comm.).
According to Morton (1994: 64) Northern Ireland records are probably not this species but may be Ahnfeltiopsis devoniensis or a species of Gymnogongrus not yet described. - (11 May 2006) - G.M. Guiry
Probable adventive species found on Australian coasts (Womersley 2003: 500). - (19 February 2009) - G.M. Guiry
Linking to this page: https://www.algaebase.org/search/species/detail/?species_id=19
Citing AlgaeBase
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 06 February 2017. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. https://www.algaebase.org; searched on 08 April 2025
