Knowledge (XXG)

Nomen dubium

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75.5. Replacement of unidentifiable name-bearing type by a neotype. When an author considers that the taxonomic identity of a nominal species-group taxon cannot be determined from its existing name-bearing type (i.e. its name is a
306: 133:), and stability or universality are threatened thereby, the author may request the Commission to set aside under its plenary power the existing name-bearing type and designate a neotype. 193:
may be placed on the list of rejected names by the Judicial Commission. The meaning of these names is uncertain. Other categories of names that may be treated in this way (rule 56a) are:
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is fragmentary or lacking important diagnostic features (this is often the case for species known only as fossils). To preserve stability of names, the
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it may be impossible to determine whether a specimen belongs to that group or not. This may happen if the original type series (i. e.
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SP Lapage; PHA Sneath; EF Lessel; VBD Skerman; HPR Seeliger; WA Clark, eds. (1992). "Rules of Nomenclature with Recommendations".
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has no status, although it is informally used for names whose application has become confusing. In this regard, its synonym
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considered the case and agreed in 2003 to replace the original type specimen with the proposed neotype.
31: 173:. In 2001 a paleontologist proposed that a new type specimen, a complete skeleton, be designated. The 336: 156: 111: 67: 78:) is lost or destroyed. The zoological and botanical codes allow for a new type specimen, or 149: 426: 416: 403: 380: 318: 458: 352: 442:
International Code of Nomenclature of Bacteria: Bacteriological Code, 1990 Revision
393: 344: 244: 440: 161: 153: 142: 138: 17: 75: 63: 79: 71: 373: 159:(part of the snout), but this is no longer sufficient to distinguish 50:) is a scientific name that is of unknown or doubtful application. 84: 41: 340:, a species of doubtful identity requiring further investigation 238: 120:
allows a new type specimen, or neotype, to be chosen for a
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is of more frequent use. Such names may be proposed for
348:, a name proposed with no description (or illustration) 175:
International Commission on Zoological Nomenclature
374:International Code of Zoological Nomenclature 165:from its close relatives. This made the name 117:International Code of Zoological Nomenclature 8: 273:. Unsourced material may be challenged and 203:, have been used with more than one meaning 293:Learn how and when to remove this message 366: 7: 271:adding citations to reliable sources 418:Bulletin of Zoological Nomenclature 395:Bulletin of Zoological Nomenclature 25: 243: 152:, 1885 was described based on a 106:A name may also be considered a 212:, are based on a mixed culture 1: 331:Glossary of scientific naming 82:, to be chosen in this case. 187:bacteriological nomenclature 44:for "doubtful name", plural 221:, confusingly similar names 491: 425:28 September 2007 at the 402:28 September 2007 at the 206:names causing confusion, 27:Doubtful name in taxonomy 475:Latin biological phrases 465:Zoological nomenclature 307:botanical nomenclature 135: 103: 89:preserved specimen of 126: 88: 32:binomial nomenclature 267:improve this section 383:(4th edition, 1999) 379:24 May 2009 at the 92:Tritonellium barthi 356:, an obsolete name 337:species inquirenda 215:perplexing names, 167:Parasuchus hislopi 147:Parasuchus hislopi 104: 96:Valenciennes, 1858 303: 302: 295: 227:nomina periculosa 197:ambiguous names, 137:For example, the 112:name-bearing type 97: 16:(Redirected from 482: 447: 446: 436: 430: 413: 407: 406:, 30 March 2001. 390: 384: 371: 298: 291: 287: 284: 278: 247: 239: 224:perilous names, 95: 21: 490: 489: 485: 484: 483: 481: 480: 479: 455: 454: 451: 450: 438: 437: 433: 429:, 30 June 2003. 427:Wayback Machine 414: 410: 404:Wayback Machine 391: 387: 381:Wayback Machine 372: 368: 363: 327: 299: 288: 282: 279: 264: 248: 237: 218:nomina perplexa 183: 56: 28: 23: 22: 15: 12: 11: 5: 488: 486: 478: 477: 472: 467: 457: 456: 449: 448: 431: 415:Opinion 2045, 408: 385: 365: 364: 362: 359: 358: 357: 349: 341: 333: 326: 323: 315:nomen ambiguum 301: 300: 251: 249: 242: 236: 233: 232: 231: 222: 213: 209:nomina confusa 204: 200:nomina ambigua 182: 179: 124:in this case. 55: 52: 26: 24: 14: 13: 10: 9: 6: 4: 3: 2: 487: 476: 473: 471: 468: 466: 463: 462: 460: 453: 444: 443: 435: 432: 428: 424: 421: 419: 412: 409: 405: 401: 398: 396: 389: 386: 382: 378: 375: 370: 367: 360: 355: 354: 353:nomen oblitum 350: 347: 346: 342: 339: 338: 334: 332: 329: 328: 324: 322: 320: 316: 312: 308: 297: 294: 286: 283:December 2021 276: 272: 268: 262: 261: 257: 252:This section 250: 246: 241: 240: 234: 229: 228: 223: 220: 219: 214: 211: 210: 205: 202: 201: 196: 195: 194: 192: 188: 180: 178: 176: 172: 168: 164: 163: 158: 155: 151: 148: 144: 140: 134: 132: 125: 123: 119: 118: 113: 109: 101: 94: 93: 87: 83: 81: 77: 73: 69: 65: 61: 60:nomen dubium, 58:In case of a 53: 51: 49: 48: 43: 39: 38: 33: 19: 470:Nomina dubia 452: 445:. ASM Press. 441: 434: 417: 411: 394: 388: 369: 351: 343: 335: 314: 311:nomen dubium 310: 304: 289: 280: 265:Please help 253: 226: 225: 217: 216: 208: 207: 199: 198: 191:nomina dubia 190: 184: 181:Bacteriology 171:nomen dubium 170: 166: 160: 154:premaxillary 146: 143:archosaurian 136: 131:nomen dubium 130: 127: 122:nomen dubium 121: 115: 108:nomen dubium 107: 105: 100:nomen dubium 99: 90: 59: 57: 47:nomina dubia 46: 45: 37:nomen dubium 36: 35: 29: 18:Nomina dubia 392:Case 3165, 345:nomen nudum 309:the phrase 459:Categories 361:References 162:Parasuchus 319:rejection 254:does not 139:crocodile 423:Archived 400:Archived 377:Archived 325:See also 150:Lydekker 145:reptile 76:paratype 64:holotype 275:removed 260:sources 157:rostrum 110:if its 80:neotype 72:syntype 68:isotype 54:Zoology 235:Botany 141:-like 42:Latin 420:60:2 397:58:1 258:any 256:cite 34:, a 305:In 269:by 185:In 74:or 30:In 461:: 321:. 189:, 169:a 70:, 66:, 296:) 290:( 285:) 281:( 277:. 263:. 102:) 98:( 40:( 20:)

Index

Nomina dubia
binomial nomenclature
Latin
holotype
isotype
syntype
paratype
neotype

Tritonellium barthi
name-bearing type
International Code of Zoological Nomenclature
crocodile
archosaurian
Lydekker
premaxillary
rostrum
Parasuchus
International Commission on Zoological Nomenclature
bacteriological nomenclature

cite
sources
improve this section
adding citations to reliable sources
removed
Learn how and when to remove this message
botanical nomenclature
rejection
Glossary of scientific naming

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