Orthopyxis caliculata (Hincks, 1853)

Synonyms in the area: Campanularia caliculata —Jäderholm 1903 [polyp]; Eucopella caliculata —Fraser 1938b, 1948 [polyp]; Orthopyxis clytioides —Vannucci Mendes 1946, 1951a [non Orthopyxis clytioides (Lamouroux, 1824)] [polyp]; Orthopyxis minuta Vannucci 1949, 1951a [polyp]; Orthopixis clytioides —Milstein 1976 [non Orthopyxis clytioides (Lamouroux, 1824)] [incorrect subsequent spelling] [polyp]; Campanularia integra —Blanco?1964, 1994a [non Campanularia integra MacGillivray, 1842] [polyp]; Orthopyxis integra — Miranda et al. 2011 [non Orthopyxis integra (MacGillivray, 1842)] [polyp].

Remarks: the validity of this species was supported by a recent phylogenetic study, in which it was redescribed (Cunha et al. 2015).

Distribution in South America: polyp—Pacific Ocean, Peru, at 6.95°S 80.70°W in Isla Lobos de Afuera, Chile, at around 55.35°S in Lennox Island (Jäderholm 1903 p. 268; Nutting 1915 p. 64–65; Fraser 1938b, 1948); Atlantic Ocean, Brazil to Argentina, from 20.33°S to 34°S, from 42°S to 49.5°S (Vannucci Mendes 1946; Vannucci 1949, 1951a; Blanco 1964, 1994a; Milstein 1976; Miranda et al. 2011; Cunha et al. 2015; Miranda et al. 2015).

Habitat: polyp—from intertidal zone to 39m depth, on algae and hydroids such as Obelia sp. and Sertulariidae ( Jäderholm 1903 p. 268; Fraser 1938b; Blanco 1964; Miranda et al. 2011; Cunha et al. 2015).