dypterygia
Dypterygia is a taxonomic name that has appeared in scientific literature as a genus designation at various times and in different biological groups. In contemporary taxonomy, the name is not consistently treated as an accepted, valid genus. Its application has been variable, with some authors using it as a genus, others as a subgenus, or as a synonym of another taxon, depending on the authority and period. This inconsistent history means that Dypterygia is best understood as a historical or ambiguous name rather than a clearly defined modern taxon.
Etymology and naming conventions: The term appears to derive from Greek roots, with di- meaning two and
Current status and guidance for researchers: Because the usage of Dypterygia has varied and it lacks a
See also: Taxonomy, Nomenclature, Historical taxonomy, Synonymy.