Berkeley description in full: "For the other, Serpula Filograna, I beg leave to propose a new genus which will be ... [details]
Berkeley doesn't actually use the combination Filograna implexa but states "in which case [that Filograna is a new ... [details]
It is obvious that Serpula filograna Linnaeus, 1767, Serpula corallifica Pallas, 1766 and Serpula complexa Turton, ... [details]