Although the description of Duchassaing & Michelotti (1864) is thoroughly unrecognizable, Schmidt (1870: 40) ... [details]
Dirrhopalum is an unjustified replacement name for Plocamia Schmidt, 1870. Ridley pointed out that an older genus ... [details]
This species was erected in a monograph on Chilean and Brazilian sponges in a footnote, but it is based on a ... [details]