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

Nullipora J.B.de Lamarck, 1801, nom. rejic.

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

Lectotype species: Nullipora nodulosa Lamarck

Currently accepted name for the type species: Phymatolithon calcareum (Pallas) W.H.Adey & D.L.McKibbin ex Woelkering & L.M.Irvine

Original publication:Lamarck, J.B. de (1801). Systeme des Animaux sans vertebres, ou tableau général des classes, des ordres et des genres de ces animaux; Présentant leurs caractères essentiels et leur distribution, d'après la considération de leurs rapports naturels et de leur organisation, et suivant l'arrangement établi dans les galeries du Muséum d'Hist. Naturelle, parmi leurs dépouilles conservées. Précédé du discours d'ouverture du Cours de Zoologie, donné dans le Muséum National d'Histoire Naturelle l'an 8 de la République.. pp. i-viii, 1-432. Paris: Chez l'Auteur, au Muséum d'Hist[oire] Naturelle; Chez Derteville, Libraire, rue du Battoir n° 16, quartier de l'Odéon..
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Type designated in Nardo, G.D. (1834). De corallinis ac nulliporis auct. Isis von Oken 1834(1): 673-675.
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Precise date of publication1801 (more precise date not determined) The requirements for valid publication are specified in the ICBN (International Code of Botanical Nomenclature).

Taxonomic status: currently regarded as a synonym of Phymatolithon.

Nomenclatural notes

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

The nomenclature associated with the name Nullipora is rather complicated. Lamarck (1801: 374) established Nullipora for four species but did not designate a type. Woelkerling & Irvine (1986: 66-67) determined, however, that Nullipora nodulosa Lamarck, one of the four species originally included by Lamarck, is a superfluous substitute name (ICBN Art 52) for Millepora polymorpha Linnaeus (1767: 1285). Lamarck (1801) listed Millepora polymorpha in the synonymy of Nullipora nodulosa and also cited the illustration published by Ellis (1755, Tab. 27, Fig. C, as Corallium pumilum album Ellis) that is now the lectotype of Millepora polymorpha (see Spencer et al. 2009: 253; also see comments below).

The earlier generic name Apora Gunnerus (1768) (see AlgaeBase entry for Apora) also is typified by the type of Millepora polymorpha Linnaeus and thus the generic name Apora has nomenclatural priority (ICBN Art 11.3) over Nullipora. As a result, Nullipora is a superfluous substitute name (ICBN Art 52) for Apora, and the type of Apora also is the type of Nullipora (ICBN Art. 7.5). Bosc (1803a: 496; 1803b: 564) also had cited Millepora polymorpha Linnaeus as the type species of Nullipora,but without formally making the combination Nullipora polymorpha.

Apora (Gunnerus 1768), in turn, is a formally rejected name in favour of Phymatolithon Foslie (1898), which is formally conserved under ICBN Art. 14. Phymatolithon, also typified by the type of Millepora polymorpha, is listed in the Nomina Generica Conservanda (ICBN Appendix III, A9), and in accordance with ICBN Art. 14.4, Phymatolithon is conserved against all other generic names based on the same type, including Nullipora.

Millepora polymorpha Linnaeus is itself a superfluous substitute name for Millepora calcarea Pallas (1766: 265) and thus is illegitimate under ICBN Art. 52 (see Woelkerling & Irvine 1986 for further information). Consequently, Millepora polymorpha is automatically typified (ICBN Art. 7.5) by the type of M. calcarea, the name that ought to have been adopted under the rules.The end result is that the type of M. calcarea is also the type of M. polymorpha and of Nullipora nodulosa, and thus typifies Nullipora (ICBN Art. 10.1)..

The current correct name (see ICBN Appendix VII for definition of a correct name) for Millepora calcarea is Phymatolithon calcareum (Pallas) Adey & McKibbin (1970: 100). For further information, see the AlgaeBase entry for Phymatolithon.
- (26 Aug 2009) -

Description: No description is provided as this name is currently in synonymy.

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

Comments: Seven generic names are based on Millepora polymorpha Linnaeus and thus are ultimately typified by the type of Millepora calcarea Pallas. Chronologically these are Apora Gunnerus (1768), Nullipora Lamarck (1801), Agardhina Nardo (1834), Agardhia Meneghini (1838), Juergensia Reichenbach (1841), Phymatolithon Foslie (1898) and Eleutherospora Heydrich (1900). Because Phymatolithon is a conserved name, it automatically takes precedence over the other six names, which must be rejected under ICBN Art. 14.4, irrespective of when they were validly published. Separate entries for each name are provided in AlgaeBase

An account of the epitype specimen of Millepora calcarea Pallas, the correct name for Millepora polymorpha Linnaeus, is provided by Woelkerling & Irvine (1986, as Phymatolithon calcareum).

Changes in the ICBN necessitated an update (Spencer et al. 2009: 253) to the original typification (Woelkerling & Irvine 1986 58) of Millepora calcarea; the species is now lectotypified by an illustration (Ellis 1755, Tab. 27, Fig. C) cited in the protologue (Pallas 1766: 265) and epitypified by BM 000562555 (Algal Box Collection 1626) housed in the Natural History Museum , London. Further information is provided in the AlgaeBase entry for Phymatolithon

Numbers of names and species: There are 31 species names in the database at present, of which 10 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
Adey, W.H. & McKibbin, D.L. (1970). Studies on the maerl species Phymatolithon calcareum (Pallas) nov. comb. and Lithothamnium corallioides Crouan in the Ria de Vigo. Botanica Marina 13: 100-106, 16 figs.

Bosc, L. (1803a). Millepore. Nouveau Dictionnaire D'Histoire Naturelle Appliquée aux Arts 14: 494-496.

Bosc, L. (1803b). Nullipore. Nouveau Dictionnaire D'Histoire Naturelle Appliquée aux Arts, Vol. 15 pp. 564.

Ellis, J. (1755). An essay towards a natural history of the corallines, and other marine productions of the like kind, commonly found on the coasts of Great Britain and Ireland. To which is added the description of a large marine polype taken near the North Pole, by the whale-fishers, in the summer 1753. pp. [i]-xvii, [10 p. cont., err.], [i]-i03, frontispiece, pl. 1-37 [+2 unnumbered], copperplate. London: Printed for the Authors;. and Sold by A. Millar, in the Strand; J. and J. Rivington, in St. Paul's Church-Yard; and R. and J. Dodsley, in Pall-Mall.

Foslie, M. (1898). Systematical survey of the Lithothamnia. Det Kongelige Norske Videnskabers Selskabs Skrifter 1898(2): 1-7.

Gunnerus, J.E. (1768). Om nogle norske Coraller [On some Norwegian corals]. Det Kongelige Norske Videnskabers Selskabs Skrifter 4: 38-73, pls 1-4, 8, 10, 11, 15.

Heydrich, F. (1900). Die Lithothamnien von Helgoland. Wissenschaftliche Meeresuntersuchungen, N.F. 4 (Abt. Helgoland): 63-82, pl. 2.

Lamarck, J.B. de (1801). Systeme des Animaux sans vertebres, ou tableau général des classes, des ordres et des genres de ces animaux; Présentant leurs caractères essentiels et leur distribution, d'après la considération de leurs rapports naturels et de leur organisation, et suivant l'arrangement établi dans les galeries du Muséum d'Hist. Naturelle, parmi leurs dépouilles conservées. Précédé du discours d'ouverture du Cours de Zoologie, donné dans le Muséum National d'Histoire Naturelle l'an 8 de la République.. pp. i-viii, 1-432. Paris: Chez l'Auteur, au Muséum d'Hist[oire] Naturelle; Chez Derteville, Libraire, rue du Battoir n° 16, quartier de l'Odéon..

Linnaeus, C. (1767). Systema naturae per regna tria naturae, secundum classes, ordines, genera, species, cum characteribus & differentiis. Tomus II. Editio duodecima, reformata. pp. 533-1327 [1328] [+ 1-36]. Homiae [Stockholm]: impensis direct. Laurentii Salvii.

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.

Meneghini, G. (1838). Cenni sulla organographia e fisiologia delle alghe. Nuovi Saggi della [Cesarea] Regia Accademia di Scienze, Lettere ed Arti di Padova 4: 325-388.

Nardo, G.D. (1834). De corallinis ac nulliporis auct. Isis von Oken 1834(1): 673-675.

Pallas, P.S. (1766). Elenchus zoophytorum sistens generum adurnbrationes generaliores et specierum cognitarum succinctas descriptiones cum selectis auctorum synonymis. pp. [i]-xvi + [17]-451. Hagae-Comitum ['s Gravenhage; The Hague]: apud Petrum van Cleef.

Reichenbach, H.G.L. (1841). Repertorium herbarii, sive, Nomenclator generum plantarum systematicus synonymicus et alphabeticus ad usum practicum accommodatus... pp. i-xxv, 1-214, 1-240. Dresden: Arnold.

Spencer, M.A., Irvine, L.M. & Jarvis, C.E. (2009). Typification of Linnaean names relevant to algal nomenclature. Taxon 58: 237-260.

Woelkerling, W.J. & Irvine, L.M. (1986). The neotypification and status of Mesophyllum (Corallinaceae, Rhodophyta). Phycologia 25: 379-396.

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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: 23 April 2002 by M.D. Guiry

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