Symplectoscyphus aggregatus (Jäderholm, 1917)
Sertularella aggregata Jäderholm 1917: 13, pl. 2, fig. 1.
Symplectoscyphus aggregatus – Stechow 1922: 148; 1923: 171; Vervoort 1993: 239; Peña Cantero et al. 2002: 1514, fig. 1.
Not Sertularella aggregata – Stepanjants 1979: 82, pl. 15, fig. 2A, B [= Symplectoscyphus liouvillei (Billard, 1914)]
Ecology. Shelf species, collected at 150 m (Jäderholm 1917).
Distribution. Only known from off Graham Land, in the Antarctic Peninsula region (Jäderholm 1917).