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At the species level, subjective synonyms are common because of an unexpectedly large range of variation in a species, or simple ignorance about an earlier description, may lead a biologist to describe a newly discovered specimen as a new species. A common reason for objective synonyms at this level is the creation of a replacement name.
Objectively invalid names are names that have been rendered invalid for indisputable reasons. These names are universally accepted as invalid, and are not merely a matter of individual opinion, as is the case with subjectively invalid names. They include: Junior objective synonyms – synonyms described from the same types.
junior synonym, (zoology): any later name; homotypic synonym (botany) heterotypic synonym (botany): (or "taxonomic synonym") a synonym that comes into being when a taxon is reduced in status ("reduced to synonymy") and becomes part of a different taxon; the zoological equivalent is "subjective synonym" objective synonym (zoology)
In biological nomenclature, a nomen novum (Latin for "new name"), replacement name (or new replacement name, new substitute name, substitute name [1]) is a scientific name that is created specifically to replace another scientific name, but only when this other name cannot be used for technical, nomenclatural reasons (for example because it is a homonym: it is spelled the same as an existing ...
Hemimitra Swainson, 1840: synonym of Paludomus Swainson, 1840 (junior synonym) Heteropoma Benson, 185 6: synonym of Philopotamis Layard, 1855 (objective synonym) Odontochasma Tomlin, 1930 : synonym of Paludomus (Odontochasma) Tomlin, 1930 represented as Paludomus Swainson, 1840
Synonyms. Atractus Agassiz, 1839: synonym of Colus Röding, 1798 (invalid: junior homonym of Atractus Wagler, 1828 [Reptilia]; also junior objective synonym of Colus) Colicryptus Iredale, 1918: synonym of Turrisipho Dautzenberg & H. Fischer, 1912; Sipho Mörch, 1852: synonym of Colus Röding, 1798; Siphonorbis Mörch, 1869: synonym of Colus ...
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Pages for logged out editors learn more. Contributions; Talk; Objective synonym