Tetrameri

Tetrameri is a term that appears primarily as a taxonomic epithet rather than as the name of a distinct genus. In biological nomenclature, tetrameri has been used in various species names across different groups, including plants and animals, with the full binomial name tied to the genus in which the species was originally described. Because it is not associated with a single, universally recognized taxon, tetrameri does not denote a standalone, widely recognized lineage.

Etymology and meaning: The epithet tetrameri derives from Greek roots, with tetra- meaning four and meros meaning part or segment. As a result, tetrameri is typically applied to species that exhibit four notable parts or features, such as four petals, four lobes, or four segments that were important in the original description. The precise morphological reference varies by taxon and description.

Usage in taxonomy: When encountered, tetrameri functions as a descriptive epithet within the species name and is context-dependent. It is not a stable or genus-level designation; the same epithet can appear in multiple, unrelated genera if the described organism possesses a four-part characteristic deemed diagnostic by the describer. Consequently, tetrameri gains its taxonomic meaning only within the full binomial name and associated species description.

See also: Tetramer, Tetra-, meros.

Note: For exact information about any particular occurrence of tetrameri, a full binomial name and related taxonomic literature should be consulted in databases such as species registers and catalogues of life.