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Available name

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378: 83:
or hypothetical taxon, must not be for a taxon below the rank of subspecies, etc. In some rare cases, a name which does not meet these requirements may nevertheless be available, for historical reasons, as the criteria for availability have become more stringent with successive Code editions. For
66:
For a name to be available, in addition to meeting certain criteria for publication, there are a number of general requirements it must fulfill: it must include a description or definition of the taxon, must use only the
103:); for generic-level names, the type is a single species; for family-level names, the type is a single genus. This hierarchical system of typification provides a concrete empirical anchor for all zoological names. 312:
McNeill, J.; Barrie, F.R.; Buck, W.R.; Demoulin, V.; Greuter, W.; Hawksworth, D.L.; Herendeen, P.S.; Knapp, S.; Marhold, K.; Prado, J.; Reine, W.F.P.h.V.; Smith, G.F.; Wiersema, J.H.; Turland, N.J. (2012).
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International Commission for Zoological Nomenclature. 1999. International Code of Zoological Nomenclature, 4th edition. London: The International Trust for Zoological Nomenclature. Available online at
84:
example, a name originally appearing along with an illustration but no formal description may be an available name, but only if the illustration was published prior to 1930 (under Article 12.2.7).
316:
International Code of Nomenclature for algae, fungi, and plants (Melbourne Code) adopted by the Eighteenth International Botanical Congress Melbourne, Australia, July 2011: Glossary
198: 155: 47: 91:, even if one was not provided at the time the name was first proposed. For species-level names, the type is usually a single specimen (a 75:
framework, must be newly-proposed (not a redescription under the same name of a taxon previously made available) and originally used as a
255:"A taxon with no name: 'Ubirajara jubatus' (Saurischia: Compsognathidae) is an unavailable name and has no nomenclatural relevance" 419: 324: 54:
is a name that does not conform to the rules of that code and that therefore is not available for use as a valid name for a
58:. Such a name does not fulfil the requirements in Articles 10 through 20 of the Code, or is excluded under Article 1.3. 17: 438: 202: 362: 354:
Hutterer, R. & Zaitsev, M.V. 2004. Cases of homonymy in some Palaearctic and Nearctic taxa of the genus
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Caetano, João Marcus Vale; Delcourt, Rafael & Ponciano, Luiza Corral Martins de Oliveira (March 2023).
412: 46:
of animals that has been published after 1757 and conforming to all the mandatory provisions of the
377: 169:
Despite the frequent confusion caused by common sense, an unavailable name is not necessarily a
443: 405: 206: 72: 39: 107: 76: 8: 147: 393: 128: 115: 320: 276: 180: 133: 111: 314: 266: 88: 80: 389: 271: 254: 229: 68: 432: 363:
https://web.archive.org/web/20090524144249/http://www.iczn.org/iczn/index.jsp
311: 280: 185: 171: 163: 138: 151: 126:
Unavailable names include names that have not been published, such as "
31: 96: 176: 92: 385: 100: 175:. A good examplification of this is the case of the unavailable 199:
International Code of Nomenclature for algae, fungi, and plants
201:, this term is not used. In botany, the corresponding term is 319:. Vol. Regnum Vegetabile 154. A.R.G. Gantner Verlag KG. 205:. The botanical equivalent of zoology's term "valid name" is 55: 43: 50:
for the establishment of a zoological name. In contrast, an
343:
Hershkovitz, P. 1970. Supplementary notes on Neotropical
189:
before a detailed analysis of its nomenclatural status.
118:. However, a valid name must always be an available one. 252: 351:(Cricetinae). Journal of Mammalogy 51(4): 789-794. 430: 358:L. (Mammalia: Soricidae). Mammal Study 29:89-91. 248: 246: 136:", names without an accompanying description ( 413: 243: 183:", which was assumed by common sense to be a 48:International Code of Zoological Nomenclature 79:rather than as a synonym, must not be for a 224: 222: 150:, names proposed with a rank below that of 420: 406: 270: 219: 106:An available name is not necessarily a 14: 431: 192: 110:, because an available name may be a 372: 121: 87:All available names must refer to a 302:Hutterer & Zaitsev, 2004, p. 89 27:Properly constructed taxonomic name 24: 25: 455: 376: 166:, and various other categories. 71:, must be formulated within the 337: 293:Hershkovitz, 1970, pp. 789, 791 142:), such as the subgeneric name 114:or subsequently be placed into 61: 365:. Accessed September 27, 2009. 305: 296: 287: 160:Sorex isodon princeps montanus 13: 1: 212: 392:. You can help Knowledge by 7: 10: 460: 371: 272:10.11646/zootaxa.5254.3.10 439:Zoological nomenclature 388:–related article is a 203:validly published name 156:infrasubspecific names 73:binomial nomenclature 345:Oryzomys dimidiatus 148:Nicaraguan rice rat 193:Contrast to botany 162:for a form of the 129:Oryzomys hypenemus 401: 400: 349:Oryzomys hammondi 326:978-3-87429-425-6 230:"ICZN article 12" 181:Ubirajara jubatus 146:proposed for the 134:Ubirajara jubatus 122:Unavailable names 34:nomenclature, an 18:Unavailable names 16:(Redirected from 451: 422: 415: 408: 380: 373: 331: 330: 309: 303: 300: 294: 291: 285: 284: 274: 250: 241: 240: 238: 236: 226: 52:unavailable name 21: 459: 458: 454: 453: 452: 450: 449: 448: 429: 428: 427: 426: 369: 340: 335: 334: 327: 310: 306: 301: 297: 292: 288: 251: 244: 234: 232: 228: 227: 220: 215: 195: 124: 64: 40:scientific name 28: 23: 22: 15: 12: 11: 5: 457: 447: 446: 441: 425: 424: 417: 410: 402: 399: 398: 381: 367: 366: 359: 352: 339: 336: 333: 332: 325: 304: 295: 286: 265:(3): 443–446. 242: 217: 216: 214: 211: 194: 191: 123: 120: 69:Latin alphabet 63: 60: 36:available name 26: 9: 6: 4: 3: 2: 456: 445: 444:Zoology stubs 442: 440: 437: 436: 434: 423: 418: 416: 411: 409: 404: 403: 397: 395: 391: 387: 382: 379: 375: 374: 370: 364: 360: 357: 353: 350: 346: 342: 341: 328: 322: 318: 317: 308: 299: 290: 282: 278: 273: 268: 264: 260: 256: 249: 247: 231: 225: 223: 218: 210: 208: 204: 200: 190: 188: 187: 182: 178: 174: 173: 167: 165: 161: 157: 153: 149: 145: 144:Micronectomys 141: 140: 135: 131: 130: 119: 117: 113: 109: 104: 102: 98: 94: 90: 85: 82: 78: 74: 70: 59: 57: 53: 49: 45: 41: 37: 33: 19: 394:expanding it 383: 368: 355: 348: 344: 338:Bibliography 315: 307: 298: 289: 262: 258: 233:. Retrieved 207:correct name 196: 184: 170: 168: 159: 143: 137: 127: 125: 105: 86: 65: 62:Requirements 51: 35: 29: 186:nomen nudum 172:nomen nudum 164:taiga shrew 158:), such as 139:nomina nuda 433:Categories 235:12 January 213:References 197:Under the 152:subspecies 108:valid name 77:valid name 32:zoological 97:lectotype 281:37044710 177:dinosaur 116:synonymy 93:holotype 386:zoology 259:Zootaxa 132:" and " 112:homonym 101:neotype 323:  279:  179:name " 81:hybrid 42:for a 384:This 356:Sorex 99:, or 56:taxon 44:taxon 38:is a 390:stub 347:and 321:ISBN 277:PMID 263:5254 237:2024 89:type 267:doi 30:In 435:: 275:. 261:. 257:. 245:^ 221:^ 209:. 95:, 421:e 414:t 407:v 396:. 329:. 283:. 269:: 239:. 154:( 20:)

Index

Unavailable names
zoological
scientific name
taxon
International Code of Zoological Nomenclature
taxon
Latin alphabet
binomial nomenclature
valid name
hybrid
type
holotype
lectotype
neotype
valid name
homonym
synonymy
Oryzomys hypenemus
Ubirajara jubatus
nomina nuda
Nicaraguan rice rat
subspecies
infrasubspecific names
taiga shrew
nomen nudum
dinosaur
Ubirajara jubatus
nomen nudum
International Code of Nomenclature for algae, fungi, and plants
validly published name

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