Agardh, J.G. (1852), Species genera et ordines algarum: 451-452 [tax. nov.]

• Type locality: Hab. in oceano atlantico calidiori, ad oras Brasiliae (Chamisso! Martius!), ad insulas Indiae occidentalis (Benzon! Hb. Mertens! etc.) et litus mexicanum (Liebman!); in oceano indico ad insulam Mauritii (Telfair!).
• Type specimen: [Type category unknown]: Lund, Sweden: [Accession No. unknown]

Kuntze, C.E.O. (1891), Revisio generum plantarum: 900 [basionym]

basionym of: Hypnophycus cervicornis (J.Agardh) Kuntze legitimate

Silva, P.C., Basson, P.I. & Moe, R.L. (1996), Catalogue of the benthic marine algae of the Indian Ocean. University of California Publications in Botany 79: - [secondary reference]

Silva, P.C., Basson, P.I. & Moe, R.L. (1996), Catalogue of the benthic marine algae of the Indian Ocean. University of California Publications in Botany 79: - [taxonomic synonym]

taxonomic synonym of: Hypnea spinella (C.Agardh) Kütz. legitimate

ABRS (2011), Australian Algal Name Index Edn. 2011: - [secondary reference]

• Comment: Price & Scott (1992:35) base their taxonomy on comparison with syntype material (MELU 695339).

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