Rhizoclonium tortuosum (Dillwyn) Kützing 1845

Current name: Chaetomorpha tortuosa (Dillwyn) Kleen
Ría de Foz, Galicia, Spain, 2009Ignacio Bárbara (barbara@udc.es)

Publication Details
Rhizoclonium tortuosum (Dillwyn) Kützing 1845: 205

Published in: Kützing, F.T. (1845). Phycologia germanica, d. i. Deutschlands Algen in bündigen Beschreibungen. Nebst einer Anleitung zum Untersuchen und Bestimmen dieser Gewächse für Anfänger. pp. [i]-x, [1]-340 ['240']. Nordhausen: zu finden bei Wilh. Köhne.

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Type Species
The type species (lectotype) of the genus Rhizoclonium is Rhizoclonium juergensii (Mertens) Kützing.

Status of Name
This name is currently regarded as a synonym of Chaetomorpha tortuosa (Dillwyn) Kleen.

Source of Synonymy
Kleen, E.A.G. (1874). Om Nordlandens högre hafsalger. Öfversigt af Kongl. Vetenskaps-Akademiens Förhandlingar, Stockholm 31(9): 1-46, Plates IX, X.

Basionym
Conferva tortuosa Dillwyn

Type Information
Lectotype locality: "In Salt Pools by the River Yare near Yarmouth [Norfolk], and on Rocks in the Sea about Swansea [Wales]."; (Dillwyn 1805: pl. 46) Lectotype (Swansea, Wales]: BM; Notes: Silva et al. recommend consulting Blaire (1983: 198) for further information regarding the lectotype locality of this species. According to Womersley (1984: 168) the type is from Yarmouth, England; in BM (see Chapman, 1939: 21).

Origin of Species Name
Adjective (Latin), bent or twisted in different directions, involved, complicated (Stearn 1983).

General Environment
This is a marine species.

Created: 06 April 1996 by M.D. Guiry.

Last updated: 01 June 2023

Verification of Data
Users are responsible for verifying the accuracy of information before use, as noted on the website Content page.

Irish note
The report of Rhizoclonium lubricum Setchell & N. Gardner from Ireland is rejected by Burrows (1991, p. 175). - (11 May 2006) - G.M. Guiry

Taxonomic note
For a detailed discussion on the taxonomy and nomenclature of this species see Silva et al. (1996: 936). Guiry (1997) suggests consulting Burrows (1991) for the synonymy between this species and R. riparium and R. arenosum. Also noted; Silva, Basson & Moe (1996) regard these as separate species. - (11 May 2006) - G.M. Guiry

Habitat note
Low and mid intertidal; epilithic, epizoic (Augyte & Shaughnessy, 2014). - (02 December 2014) - G.M. Guiry

Linking to this page: https://www.algaebase.org/search/species/detail/?species_id=237

Citing AlgaeBase
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 01 June 2023. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. https://www.algaebase.org; searched on 01 April 2025