Aglaothamnion roseum (Roth) Maggs & L'Hardy-Halos 1993

Gaillona rosea (Roth) Athanasiadis

Current name: Gaillona rosea (Roth) Athanasiadis
Fal Estuary, Cornwall, England - 29 March 2015. David Fenwick

Publication Details
Aglaothamnion roseum (Roth) Maggs & L'Hardy-Halos 1993: 522

Published in: Maggs, C.A. & L'Hardy-Halos, M.-T. (1993). Nuclear staining in algal harbarium material: a reappraisal of the holotype of Callithamnion decompositum J. Agardh (Rhodophyta). Taxon 42: 521-530.

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Type Species
The type species (holotype) of the genus Aglaothamnion is Aglaothamnion furcellariae (J.Agardh) Feldmann-Mazoyer.

Status of Name
This name is currently regarded as a synonym of Gaillona rosea (Roth) Athanasiadis.

Ceramium roseum Roth

Type Information
Type locality: Bayonne [Pyrénées-Atlantiques, France]; (Dixon & Price 1981: 136) Not specified: (Dixon & Price 1981: 136) Notes: The existence of Roth herbarium is at present a matter of doubt. Usually, it is assumed to have been lost in the bombing of the Berlin-Dahlem museum (Pilger, 1953); this seems true for specimens of Ceramium roseum. There is a specimen at LD (Herb. Alg. Agardh 18466), labelled "‘Ceramium roseum Roth Bayonne dedit Roth ipse non rosea Dillw."’ in C. Agardh'’s hand, but the status of this specimen is uncertain. Subsequent interpretations (Dillwyn, 1802; Smith, 1802) were based on a specimen collected in 1797 by Sowerby at Yarmouth and sent to Roth for comment by Dawson Turner. This specimen, which Roth identified as Ceramium roseum, passed to K (now at BM-K), with a duplicate of the original Sowerby collection at BM. Although not part of the type collection, these specimens help to unravel subsequent interpretations of this taxon, of which there have been several. The BM-K specimen is here designated as of neotype status.

Origin of Species Name
Adjective (Latin), rose-coloured (Stearn 1973).

General Environment
This is a marine species.

Created: 30 July 1996 by M.D. Guiry.

Last updated: 17 February 2020

Verification of Data
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Citing AlgaeBase
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 17 February 2020. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway.; searched on 21 May 2024

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