- nominal taxon
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the taxon defined by its type, type-genus in the case of family, type-species in the case of genus, and type-specimen in the case of species
Dictionary of ichthyology. 2009.
nominal taxon
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taxon — (plural taxa)) any taxonomic unit (named or not) or category such as a family, genus, or species. It includes all taxa of lower rank and all individual organisms. A nominal taxon is the taxon, as objectively defined by its type, to which any… … Dictionary of ichthyology
nominal form — in name only; a named taxon of questionable status. The word nominal is often used to imply that although the species have been named, they may not be valid taxa, e.g. the genus x has 20 nominal species implies one or more may be synonyms … Dictionary of ichthyology
Type (biology) — Type specimen for Cimbrophlebia brooksi, a fossil scorpion fly. By convention, the red label denotes a type specimen. In biology, a type is one particular specimen (or in some cases a group of specimens) of an organism to which the scientific… … Wikipedia
Biological type — In biology, a type is that which fixes a name to a taxon. Depending on the nomenclature code which is applied to the organism in question, a type may be a specimen, culture, illustration, description or taxon. For example, the Natural History… … Wikipedia
designation — the act of an author or the International Commission on Zoological Nomenclature in fixing, by express statement, the type of a newly or previously established nominal taxon of the genus or the species group. The original designation is the… … Dictionary of ichthyology
Diagnose (Biologie) — Die Diagnose ist in der Biologie die Zusammenstellung der wichtigsten Merkmale einer Lebewesengruppe. Bei der Beschreibung, insbesondere bei der Erstbeschreibung einer Art oder eines höheren Taxons werden damit die Unterscheidungsmerkmale… … Deutsch Wikipedia
act nomenclatural — a published act which affects the nomenclatural status of a scientific name or the typification of a nominal taxon; available nomenclatural act is one that is published in an available work; invalid nomenclatural act is any nomenclatural act… … Dictionary of ichthyology
nomenclatural act — a published act which affects the nomenclatural status of a scientific name or the typification of a nominal taxon; available nomenclatural act is one that is published in an available work; invalid nomenclatural act is any nomenclatural act… … Dictionary of ichthyology
original date — the date of publication of an available work containing a nomenclatural act, a name or a nominal taxon … Dictionary of ichthyology
Principle of Typification — the principle that each nominal taxon in the family group, genus group or species group has, actually or potentially, a name bearing type fixed to provide the objective standard of reference by which the application of the name is determined … Dictionary of ichthyology
