Amphisbetia minima (Thompson, 1879)
Synonyms in the area: Sertularia minima —Jäderholm 1905, 1910 p. 3–4 [polyp].
Distribution in South America: polyp—Pacific Ocean, Chile, at 39.85°S 73.46°W, and at Fitzroy Channel (Jäderholm 1910 p. 3–4; Galea & Schories 2012a p. 36); Atlantic Ocean, Argentina, at Malvinas (Falkland) Islands (Jäderholm 1905; Blanco 1994a; Genzano & Zamponi 1997).
Habitat: polyp—from 5 to 40m depth, on algae, seaweeds and bryozoans (Jäderholm 1905, 1910 p. 3–4; Blanco 1994a; Galea & Schories 2012a p. 36).