159,342 species and infraspecific names are in the database, 22,546 images, 61,942 bibliographic items, 463,023 distributional records.

Melobesia Foslie, 1898, nom. illeg.

Empire Eukaryota
Kingdom Plantae
Subkingdom Biliphyta
Phylum Rhodophyta
Subphylum Eurhodophytina
Class Florideophyceae
Subclass Corallinophycidae
Order Hapalidiales
Family Hapalidiaceae
Subfamily Melobesioideae

Lectotype species: Melobesia farinosa J.V.Lamouroux

Currently accepted name for the type species: Hydrolithon farinosum (J.V.Lamouroux) Penrose & Y.M.Chamberlain

Original publication:Foslie, M. (1898). List of species of the Lithothamnia. Kongelige Norske Videnskabers Selskabs Skrifter 1898(3): 1-11.
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Type designated in Hamel, G. & Lemoine, Mme P. [=M.] (1953). Corallinacées de France et d'Afrique du Nord. Archives du Museum National d'Histoire Naturelle (Paris), série 7 1: 15-136.

Precise date of publication24 December 1898 (see Woelkerling 1993: 278 for details). The requirements for valid publication are specified in the ICBN (International Code of Botanical Nomenclature).

Taxonomic status: currently regarded as a synonym of Hydrolithon.

Nomenclatural notes
The ICBN rules cited below are those adopted by the Seventeenth International Botanical Congress, Vienna, Austria, July 2005 (McNeill et al. 2006).

In accordance with ICBN Art. 13.3, the name Melobesia Foslie is treated as pertaining to a non-fossil taxon because its type is based on a non-fossil specimen. No species based on fossil types have been assigned to the genus.

The generic name Melobesia Foslie is typified (ICBN Art. 10.1) by the type of M. farinosa, the lectotype species and one of 18 species originally (Foslie 1898) included in the genus. Although validly published, Melobesia Foslie (1898) is an illegitimate later homonym (ICBN Art. 53) of Melobesia J.V. Lamouroux (1812) [and of Melobesia Heydrich (1897)] (ICBN Art. 53). Consequently, Melobesia Foslie (1898), which is not conserved, must be rejected (ICBN Art. 45.3). The complicated nomenclatural history of the name Melobesia Foslie is summarized by Woelkerling (1988: 119) (also see Mason 1953: 335). - (21 Jul 2009) -

Taxonomic notes
Illegitimate: later homonym of Melobesia J.V. Lamouroux; see comments. The lectotype species is referable to Hydrolithon. - (21 Jul 2009) -

Comments: Foslie never designated a type for Melobesia Foslie (1898), although, as noted by Mason (1953: 335), Foslie’s concept of the genus changed over time and eventually (Foslie 1909: 56) appeared to contain only one species (M. farinosa). Subsequently Hamel & Lemoine (1953:101) formally lectotypified Melobesia Foslie (1898) with M. farinosa (J.V. Lamouroux) Foslie. The type of M. farinosa, which is also the type species of the generic name Fosliella M.A. Howe (1920), was examined by Penrose & Chamberlain (1993) and determined to belong to Hydrolithon. Consequently, Penrose & Chamberlain (1993) treated Fosliella Howe as a heterotypic synonym of Hydrolithon.

Foslie’s concept of Melobesia, and that of another illegitimate homonym, Melobesia Heydrich (1897 ) (see separate AlgaeBase entry), persisted, in the literature for many years (e.g. see Levring 1974; Etcheverry 1986) even though Mason (1953) had clearly summarized the ‘illegal’ (=illegitimate) nature of the Foslie and Heydrich names.

Although the generic name Melobesia Foslie is illegitimate, all 18 species names that Foslie (1898: 10-11) included in the original presentation of Melobesia Heydrich are legitimate (see Art. 55 of the International Code of Botanical Nomenclature.

Numbers of names and species: There are 7 species names in the database at present, of which 1 has been flagged as accepted taxonomically on the basis of the listed literature under the species name. In some instances, opinions on taxonomic validity differ from author to author and users are encouraged to form their own opinion. AlgaeBase is a work in progress and should not be regarded as a definitive source only as a guide to the literature..

Names: ('C' indicates a name that is accepted taxonomically; 'S' a homotypic or heterotypic synonym; 'U' indicates a name of uncertain taxonomic status, but which has been subjected to some verification nomenclaturally; 'P' indicates a preliminary AlgaeBase entry that has not been subjected to any kind of verification. For more information on a species click on it to activate a link to the Species database):

Click here to also show infraspecific names in the list below.

Etcheverry, D.H. (1986). Algas marinas bentónicas de Chile. pp. [1]-379, illus.. Montevideo, Uruguay: UNESCO (Regional office of Science and Technology for Latin America and the Caribbean).

Foslie, M. (1898). List of species of the Lithothamnia. Kongelige Norske Videnskabers Selskabs Skrifter 1898(3): 1-11.

Foslie, M. (1909). Algologiske notiser VI. Kongelige Norske Videnskabers Selskabs Skrifter 1909(2): 1-63.

Hamel, G. & Lemoine, Mme P. [=M.] (1953). Corallinacées de France et d'Afrique du Nord. Archives du Museum National d'Histoire Naturelle (Paris), série 7 1: 15-136.

Heydrich, F. (1897). Melobesiae. Berichte der deutsche botanischen Gesellschaft 15(7): 403-420, pl. XVIII [18].

Howe, M.A. (1920). Algae. In: The Bahama flora. (Britton, N.L. & Millspaugh, C.F. Eds), pp. 553-618. New York: published by the authors.

Lamouroux, [J.V.F.] (1812). Extrait d'un mémoire sur la classification des Polypiers coralligènes non entièrement pierreux. Nouveaux Bulletin des Sciences, par la Société Philomathique de Paris 3: 181-188.

Lamouroux, J.V.F. (1816). Histoire des polypiers coralligènes flexibles, vulgairement nommés zoophytes. pp. [i]-lxxxiv, chart, [1]-560, [560, err], pls I-XIX, uncol. by author. Caen: De l'imprimerie de F. Poisson.

Levring, T. (1974). The marine algae of the Archipelago of Madeira. Boletim Museo Municipale Funchal 28: 5-111.

Mason, L.R. (1953). The crustaceous coralline algae of the Pacific coast of the United States, Canada and Alaska. University of California Publications in Botany 26: 313-389, Plates 27-46.

McNeill, J., Barrie, F.R., Burdet, H.M., Demouline, V., Hawksworth, D.L., Marhold, K., Nicolson, D.H., Prado, J., Silva, P.C., Skog, J.E., Wiersema, J.H. & Turland, N.J. (2006). International Code of Botanical Nomenclature (Vienna Code) adopted by the Seventeenth International Botancial Congress Vienna, Austria, July 2005. pp. [i-iv], v-xviii + 1-568. Liechtenstein: A.R.G. Gantner Verlag.

Penrose, D. & Chamberlain, Y.M. (1993). Hydrolithon farinosum (Lamouroux) comb. nov.: implications for generic concepts in the Mastophoroideae (Corallinaceae, Rhodophyta). Phycologia 32: 295-303, 19 figs.

Woelkerling, W.J. (1988). The Coralline Red Algae: an analysis of the genera and subfamilies of nongeniculate Corallinaceae. pp. i-xi, 1-268, 259 figs, tables numbered by chapter. London & Oxford: British Museum (Natural History) & Oxford University Press.

Woelkerling, W.J. (1993). Type collections of Corallinales (Rhodophyta) in the Foslie Herbarium (TRH). Gunneria 67: 1-289, 8 tables.

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Created: 21 July 2009 by William J. Woelkerling

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Guiry, M.D. & Guiry, G.M. 2020. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 21 October 2020.

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