Upper thallus-branches cylindrical, lower ones flattened, dark crimson to black-red; branching repeatedly irregular-pinnate, cartilaginous-firm, lateral branches distant, pointed, the yougest terminal sections thorn-like; discoid base.

Original publication: Kützing, F.T. (1843). Phycologia generalis oder Anatomie, Physiologie und Systemkunde der Tange... Mit 80 farbig gedruckten Tafeln, gezeichnet und gravirt vom Verfasser. pp. [part 1]: [i]-xxxii, [1]-142 , [part 2:] 143-458, 1, err.], pls 1-80. Leipzig: F.A. Brockhaus.

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Hommersand, M.H., Guiry, M.D., Fredericq, S. & Leister, G.L. (1993). New perspectives in the taxonomy of the Gigartinaceae (Gigartinales, Rhodophyta). Proceedings of the International Seaweed Symposium 14: 105-120, 41 figs.

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

Guiry, M.D. & Maggs, C.A. (1985). Notes on Irish marine algae - 7. Gigartina teedii (Roth) Lamour. (Rhodophyta). Irish Naturalists' Journal 21: 490-493.

Guiry, M.D. (1984). Structure, life history and hybridization of Atlantic Gigartina teedii (Rhodophyta) in culture. British Phycological Journal 19: 37-55.

Silva, P.C., Basson, P.W. & Moe, R.L. (1996). Catalogue of the benthic marine algae of the Indian Ocean. University of California Publications in Botany 79: 1-1259.

Basionym: Ceramium teedei Mertens ex Roth

Type locality: In Lusitaniae oris olim legit Teede [Portugal] (Roth 1806: 108).

Type: BM (Hommersand, Guiry, Fredericq & Leister 1993: 115).

Notes: Dixon & Ivine ((1977: 243) give the following data: Isotype: BM-K. Portugal (Lisbon, fide label).