plasmidid
Plasmidid is not a recognized taxonomic name in current biological nomenclature. No major taxonomic database (for example, NCBI Taxonomy, ITIS, or WoRMS) lists a lineage by this name, and there is no standard scientific description or type specimen associated with it. As a result, plasmidid is not treated as a valid taxon in scientific references.
Given the lack of formal description, any use of plasmidid would be speculative. In taxonomy, new names
The term resembles other biology-related words, most notably plasmid, the extrachromosomal DNA element found in bacteria
If you intended a different word or concept—such as plasmids, Plasmodiidae, or plasmodium-related taxa—please clarify. This