Pycnotheca mirabilis (Allman, 1883)

Synonyms in the area: Kirchenpaueria mirabilis var. robusta —Vannucci Mendes, 1946; Vannucci, 1950 [polyp].

Distribution in South America: polyp—Atlantic Ocean, Brazil, from 6.90°S to 7.30°S, at 18.64°S 39.57°W, from 21.50°S to 24.50°S, at 27.20°S 48.50°W (Vannucci Mendes 1946; Vannucci 1950, 1951a; Migotto et al. 2002; Grohmann et al. 2003; Oliveira 2003; Miranda & Marques 2006, abstract; Campos & Alonso 2008, abstract; Silveira & Morandini 2011; Miranda et al. 2011).

Habitat: polyp—at 22m depth, on algae (Vannucci Mendes 1946; Vannucci 1950; Oliveira 2003; Miranda et al. 2011).