perforera
Perforera is not a widely recognized formal taxonomic group in contemporary biology. In practice, the term appears in a range of contexts with varying meanings, and its exact sense depends on the author and discipline. In many cases, perforation or openings are described descriptively rather than by assigning a formal clade name, so Perforera is often encountered as a descriptive label rather than a universally defined taxon.
Etymology for the word points to the Latin perforare, meaning to bore through, with the -era suffix
In taxonomy and systematics, there is no widely accepted consensus that Perforera constitutes a valid or monophyletic
Caution is advised to avoid confusion with similarly named groups, such as Porifera (the sponges). If you