Synonyms in the area: Silicularia divergens Hartlaub, 1905 [polyp]; Campanularia pedunculata —Blanco 1994a [polyp].
Remarks: Ralph (1956) assigned this species to the genus Orthopyxis L. Agassiz, 1862. Galea & Schories (2012b p. 17–18), however, maintained this species in the genus Silicularia Meyen, 1834 until more material becomes available for study.
Distribution in South America: polyp—Atlantic Ocean, South Georgia Island (Hartlaub 1905; Blanco 1994a).
Habitat: polyp—on rocks (Hartlaub 1905).