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Aglaothamnion sepositum (Gunnerus) Maggs & Hommersand

Classification:
Empire Eukaryota
Kingdom Plantae
Subkingdom Biliphyta
Phylum Rhodophyta
Subphylum Eurhodophytina
Class Florideophyceae
Subclass Rhodymeniophycidae
Order Ceramiales
Family Callithamniaceae
Subfamily Callithamnioideae
Tribe Callithamnieae
Genus Aglaothamnion

Pictures

click on thumbnail for larger version.

Aglaothamnion sepositum (Gunnerus) Maggs & Hommersand
Ría de A Coruña, Galicia, Spain, 201. Ignacio Bárbara. © Ignacio Bárbara (barbara@udc.es).

Aglaothamnion sepositum (Gunnerus) Maggs & Hommersand
Ría de A Coruña, Galicia, Spain, 201. Ignacio Bárbara. © Ignacio Bárbara (barbara@udc.es).

Aglaothamnion sepositum (Gunnerus) Maggs & Hommersand
habit, Ría de A Coruña, Galicia, Spain, 2011,. Ignacio Bárbara. © Ignacio Bárbara (barbara@udc.es).

Aglaothamnion sepositum (Gunnerus) Maggs & Hommersand
Ría de A Coruña, Galicia, Spain, 201. Ignacio Bárbara. © Ignacio Bárbara (barbara@udc.es).

Aglaothamnion sepositum (Gunnerus) Maggs & Hommersand
Ría de A Coruña, Galicia, Spain, 201. Ignacio Bárbara. © Ignacio Bárbara (barbara@udc.es).

Aglaothamnion sepositum (Gunnerus) Maggs & Hommersand
Ría de A Coruña, Galicia, Spain, 201. Ignacio Bárbara. © Ignacio Bárbara (barbara@udc.es).

Aglaothamnion sepositum (Gunnerus) Maggs & Hommersand
Ría de A Coruña, Galicia, Spain, 201. Ignacio Bárbara. © Ignacio Bárbara (barbara@udc.es).

Aglaothamnion sepositum (Gunnerus) Maggs & Hommersand
Ría de A Coruña, Galicia, Spain, 201. Ignacio Bárbara. © Ignacio Bárbara (barbara@udc.es).

Aglaothamnion sepositum (Gunnerus) Maggs & Hommersand
Blue Lagoon, Co. Mayo; on mussels. Plants to 33 mm.. 03 Apr 2011. M.D. Guiry. © Michael Guiry (mike.guiry@nuigalway.ie).

Aglaothamnion sepositum (Gunnerus) Maggs & Hommersand
Madeira. Peter Wirtz. © Peter Wirtz (peterwirtz2004@yahoo.com ).

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Aglaothamnion sepositum (Gunnerus) Maggs & Hommersand habit, Ría de A Coruña, Galicia, Spain, 2011,
© Ignacio Bárbara (barbara@udc.es)

Publication details
Aglaothamnion sepositum (Gunnerus) Maggs & Hommersand 1993: 112, fig. 38A-F

Published in: Maggs, C.A. & Hommersand, M.H. (1993). Seaweeds of the British Isles. Volume 1. Rhodophyta. Part 3A. Ceramiales. pp. [i]-xv, 1-444, 129 figs, map. London: HMSO.

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 seposita (Gunnerus) Athanasiadis

Basionym
Conferva seposita Gunnerus

Type information
Type locality: Lhanfaethly, Anglesey, Caernavon, Wales (Dixon & Price 1981: 138). Lectotype: Green; undated; OXF (Dixon & Price 1981: 138). Notes: Comments: the lectotype selected is also the lectotype of Conferva purpurascens Hudson (q.v.).

Origin of species name
Participle A (Latin), disregarded, isolated, reserved.

Heterotypic Synonym(s)
Hutchinsia arbuscula (Dillwyn) C.Agardh 1817
Callithamnion arbuscula (Dillwyn) Lyngbye 1819
Dasya arbuscula (R.Brown ex Dillwyn) C.Agardh 1828
Eupogonium arbusculum (Dillwyn) Kützing 1845
Eupogonium arbusculum (Dillwyn) Zanardini 1847

Taxonomic notes
Guiry (1997) suggests consulting Maggs & Hommerdand (1993).

General environment
This is a marine species.

Description
Bushy tufts of uniseriate, dark brown-red filaments, to 200 mm high, opaque, cartilaginous, heavily corticated by rhizoidal filaments. Branched repeatedly, branches clothed with pinnate ramuli. Cells of ramuli twice as long as broad.

Habitat
Most frequently on mussels, but also on rocks, barnacles and limpets, mid-intertidal on exposed shores, common in north, less frequent on southern coasts.

Detailed distribution with sources (Click to Load)

Source of current name
Athanasiadis, A. (2016). Phycologia Europaea Rhodophyta Vol. II. pp. [2], 763-1504. Thessaloniki: Published and distributed by the author.

Key references
Braune, W. (2008). Meeresalgen. Ein Farbbildführer zu den verbreiteten benthischen Grün- Braun- und Rotalgen der Weltmeere. pp. [1]-596, pls 1-266 (colour photographs). Ruggell: A.R.G. Gantner Verlag.

Created: 31 March 1996 by M.D. Guiry

Verified by: 28 February 2017 by M.D. Guiry

Accesses: This record has been accessed by users 2711 times since it was created.

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Linking to this page: http://www.algaebase.org/search/species/detail/?species_id=142

Citing AlgaeBase
Cite this record as:
M.D. Guiry in Guiry, M.D. & Guiry, G.M. 2018. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 20 September 2018.

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