Define the holotype and lectotype
WebWhere no holotype or syntype was fixed for a nominal species-group taxon established before 2000, and when it is possible that the nominal species-group taxon was based on more than one specimen, an author should proceed as though syntypes may exist and, where appropriate, should designate a lectotype rather than assume a holotype (see … WebDec 31, 2024 · The definition of epitype can be similarly modified. Also, since Art. 9.20 and 9.21 deal solely with epitypes, their provisions can be moved into Art. 9.9. ... (Art. 29–31) and meets all of the following conditions: (1) the holotype, lectotype, or neotype that the epitype supports is explicitly cited; (2) the designation conforms with the ...
Define the holotype and lectotype
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WebLectotype – a single specimen selected from a group of syntypes and designated as the name-bearing type some time after the original description was published. Paratype – … A holotype is a single physical example (or illustration) of an organism, known to have been used when the species (or lower-ranked taxon) was formally described. It is either the single such physical example (or illustration) or one of several examples, but explicitly designated as the holotype. Under … See more Under the ICN, an additional and clarifying type could be designated an epitype under article 9.8, where the original material is demonstrably ambiguous or insufficient. A conserved type (ICN article 14.3) is sometimes used to … See more • Allotype (zoology) • Genetypes—genetic sequence data from type specimens • Paratype • Type (biology) • Type species See more • BOA Photographs of type specimens of Neotropical Rhopalocera. See more
WebLectotype: A specimen chosen by a later researcher to serve as if it were the holotype. It is chosen from among the specimens available to the original publishing author (the isotypes, syntypes and/or paratypes) of a … Webholotype, paratype, lectotype, syntype, neotype, ischnotype, etc.) for just about every kind of activity or specimens, a certain “type” has been defined ... definition. If there is more …
WebMay 30, 2016 · A syntype is a collection of specimens that together serve as the definition of the species where a holotype was never selected (syntypes are now frowned upon). A lectotype is a single specimen of a syntype (series of specimens) selected to serves as the neotype of the species, where the species was previously defined by the syntype. WebThis is important. The holotype needs to be accessible so that other paleontologists have the opportunity to determine if something that they have found is the same or different species. Scientists can then also designate additional specimens if they wish. But those other specimens are given alternate names. Like paratype of lectotype.
WebThus, a nominal taxon is only a name and a type; a taxon, the hypothesis, includes at least one nominal taxon. For species-group names, the type is a specimen (holotype, neotype, or lectotype) or a group of specimens (syntypes), which is or are the ultimate source of character information.
WebLectotype definition: A biological specimen or other element that is selected as the type specimen when a holotype was not originally designated. Dictionary Thesaurus how you get my picturesWebFeb 2, 2024 · Holotype: the one specimen* or illustration used by the author, or designated by the author as the nomenclatural type. Isotype: any duplicate specimen of the … how you get paid on youtubeWebUsage in literature. Lectotype: a co-type chosen, subsequently to the original description, to take the place which in other cases a holotype occupies. "Explanation of Terms Used in … how you get parasitesWebParatype - Specimens of the type series other than the holotype. Syntype - Each specimen of a type series (of equal rank) when no holotype or lectotype has been named. Type - A term used alone or as part of a compound term used for a kind of specimen or taxon. Type series - The original name-bearing specimens used to define a species-group taxon. how you get paid on etsyWebJan 16, 2024 · lectotype ( plural lectotypes ) ( taxonomy) A biological specimen or illustration later selected to serve as definitive type example of a species or subspecies when the original author of the name did not designate a holotype . quotations . 1905, Merrill, George P., Bulletin of the United States National Museum, Vol. 53, page 12: … how you get pink eyeWebMar 8, 2016 · In this case, the correction might involve a lectotype designation (and the lectotype may even be identical with the previously proposed holotype). Cite 1 Recommendation how you get pregnant on birth controlWebholotype: [noun] the single specimen designated by an author as the type of a species or lesser taxon at the time of establishing the group. how you get pregnant fast