Iurida

Iurida is a taxonomic name that has appeared in zoological literature to designate a group at various ranks in different lineages. Because its exact circumscription has varied among authors and periods, Iurida is not consistently defined in modern taxonomy and is often treated as obsolete or ambiguous.

The name is formed with the Latin root ius, meaning law, and the common taxonomic suffix -ida, a pattern used in older zoological nomenclature to create names for higher taxa. Its usage reflects historical practices in naming higher-level groups rather than a stable, universally recognized taxon.

In contemporary taxonomic references, Iurida is not listed as a valid, accepted taxon in a single, unified sense. Rather, when encountered, it is typically described as an old or deprecated name that has been superseded or redistributed into other, better-defined groups. The precise members and rank attributed to Iurida have thus varied and, in many cases, no longer reflect current understanding.

Because Iurida lacks a stable, widely adopted definition, researchers encountering the term should consult the specific source in which it appears to determine the intended scope and placement. See also taxonomic nomenclature and obsolete taxa.