Achelia Hodge, 1884

Achelia besnardi Sawaya, 1951: 271 –279, figs 1–2 (Brazil: Rio de Janeiro, 39–46 m) .— Stock, 1992: 116 (Brazil: off Espírito Santo, 59 m) .

Syn.: Achelia sawayai f. besnardi — Stock, 1986.

Holotype: Not designated.

Type locality: São Tomé shoal, Rio de Janeiro, Brazil .

Ecological note: Found among hydroids and algae.

Achelia columnaris Stock, 1992: 116 –118, 139, figs 9–18 (Brazil: Rio de Janeiro, 34 m). Holotype: ZMA.PYC.P.1023.

Type locality: Rio de Janeiro (22°22'S 41º32'W), Brazil.

Achelia gracilis Verrill, 1900 — Stock, 1992: 118 (Brazil: Espírito Santo, 28 m). Syn.: Achelia (?) gracilis —Verrill, 1900.

Ammothea gracilis —Cole, 1904.

Ammothea (Achelia) gracilis —Giltay, 1934.

Achelia (Pigrolavatus) gracilis —Fry & Hedgpeth, 1969. Holotype: Unknown.

Type locality: Flatts Inlet, Bermuda.

Achelia sawayai Marcus, 1940 c: 81 –86, figs 10a–f, 17 (Brazil: São Paulo, shallow water).— Stock, 1992: 118 (Brazil: São Paulo, off Rio de Janeiro, Espírito Santo, intertidal to 98 m).— Varoli, 1996: 42 (Brazil: São Paulo).— Morgado & Tanaka, 2001: 177 [tab.] (Brazil: São Paulo, 0.6–5 m).— Vieira et al., 2012: 164 (Brazil: Saint Peter and Saint Paul Archipelago).

Syn.: Achelia (Pigrolavatus) sawayai —Fry & Hedgpeth, 1969.

Achelia sawayai f. typica — Stock, 1986.

Non Achelia sawayai f. besnerdi — Stock, 1986 (= A. besnardi Sawaya, 1951).

Holotype: Not designated.

Type locality: Baía de Santos, São Paulo, Brazil .

Ecological notes: On seaweeds, rocky shore. On large boulders, amongst ascidians, bryozoans and sponges. On

Dictyota sp., Sargassum cymosum C. Agardh, and Sargassum rigidulum Kuetzing. On bryozoan Schizoporella

errata (Walters) .