153,622 species and infraspecific names are in the database, 20,981 images, 59,421 bibliographic items, 412,629 distributional records.

Epilithon Heydrich, 1897

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

Holotype species: Epilithon membranaceum (Esper) Heydrich

Currently accepted name for the type species: Melobesia membranacea (Esper) J.V.Lamouroux

Original publication and holotype designation: Heydrich, F. (1897). Melobesiae. Berichte der deutsche botanischen Gesellschaft 15: 403-420, pl. XVIII [18].
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Precise date of publication7 September 1897 (see Woelkerling & Lamy 1998: 680 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 Melobesia.

Most recent taxonomic treatment adopted: Kylin, H. (1956). Die Gattungen der Rhodophyceen. pp. i-xv, 1-673, 458 figs. Lund: C.W.K. Gleerups.

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 Epilithon 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 Epilithon is typified (ICBN Art 10.1) by the type of E. membranacea, the only species originally included in the genus. - (28 Aug 2009) -

Description: No description is provided as this name is currently treated as a synonym.

Information kindly contributed by Wm. J. Woelkerling but may now be outdated.

Comments: Epilithon membranacea (Esper) Heydrich is a new combination for Corallina membranacea Esper. C. membranacea Esper, however, is also the basionym of Melobesia membranacea (Esper) J.V. Lamouroux (1812: 186), the holotype species of the older name Melobesia Lamouroux (1812: 186). Consequently, Epilithon Heydrich (1897) is a homotypic synonym of Melobesia Lamouroux (also see Woelkerling 1988: 49, 189, 190).

Numbers of names and species: There are 13 species names in the database at present, of which 2 have 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.

References
Esper, E.J.C. (1796). Fortsetzungen der Pflanzenthiere in Abbildungen nach der Natur mit Farben erleuchtet nebst Beschreibungen. Lieferung 6. pp. 149-168, 11 plates [numbered by genus]. Nürnberg.

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

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.

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.

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. & Lamy, D. (1998). Non-geniculate coralline red algae and the Paris Museum: Systematics and scientific history. pp. i-vii, 1-767. Paris: Publications Scientifiques du Muséum/ADAC.

Verification of data
Users are responsible for verifying the accuracy of information before use, as noted on the website Content page.

Contributors
Some of the descriptions included in AlgaeBase were originally from the unpublished Encyclopedia of Algal Genera, organised in the 1990s by Dr Bruce Parker on behalf of the Phycological Society of America (PSA) and intended to be published in CD format. These AlgaeBase descriptions are now being continually updated, and each current contributor is identified above. The PSA and AlgaeBase warmly acknowledge the generosity of all past and present contributors and particularly the work of Dr Parker.

Descriptions of chrysophyte genera were subsequently published in J. Kristiansen & H.R. Preisig (eds.). 2001. Encyclopedia of Chrysophyte Genera. Bibliotheca Phycologica 110: 1-260.

Created: 28 December 2000 by M.D. Guiry

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Citing AlgaeBase
Please cite this record as:
Guiry, M.D. & Guiry, G.M. 2018. AlgaeBase. World-wide electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 21 November 2018.

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