Ptilothamnion sphaericum (P.Crouan & H.Crouan ex J.Agardh) Maggs & Hommersand 1993

Publication Details
Ptilothamnion sphaericum (P.Crouan & H.Crouan ex J.Agardh) Maggs & Hommersand 1993: 146

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.

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Type Species
The type species (holotype) of the genus Ptilothamnion is Ptilothamnion pluma (Dillwyn) Thuret.

Status of Name
This name is of an entity that is currently accepted taxonomically.

Basionym
Callithamnion sphaericum P.Crouan & H.Crouan ex J.Agardh

Type Information
Holotype locality: Anse du Minou, Brest, France; (Maggs & Hommersand 1993: 146) Holotype: Crouan; 25 viii 1836; LD; 35275 (Maggs & Hommersand 1993: 146)

Origin of Species Name
Adjective (Latin), globose, spherical (Stearn 1983).

General Environment
This is a marine species.

Created: 17 May 1996 by M.D. Guiry.

Last updated: 31 March 2023

Verification of Data
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Habitat notes
Epiphytic on Pterosiphonia ardreana, Halopithys incurva and Ahnfeltia plicata, on sand covered rocks in the lower intertidal; lower intertidal (Diaz Tapia & Bárbara 2011). - (11 April 2011) - G.M. Guiry
epilithic on sandy or silty bedrock at extreme low water, and growing on mobile substrata such as maerl and pebbles from 3-10 m depth, at sites with very slight to moderate wave exposure (Maggs & Hommersand, 1993). - (25 June 2014) - G.M. Guiry

Linking to this page: https://www.algaebase.org/search/species/detail/?species_id=481

Citing AlgaeBase
Cite this record as:
G.M. Guiry in Guiry, M.D. & Guiry, G.M. 31 March 2023. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. https://www.algaebase.org; searched on 17 June 2025

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