Tanystylum Miers, 1879

Tanystylum acuminatum Stock, 1954 — Stock, 1992: 119, figs 19–21 (Brazil: São Paulo, Rio de Janeiro, infralittoral to 15 m).

Holotype: Unknown.

Type locality: Near Gustavia, Saint-Barthélemy Island, Caribbean.

Ecological note: On seaweeds, Dictyota sp, infralittoral rocky shore.

Tanystylum dohrnii Schimkewitsch, 1890 — Marcus, 1940c: 97 –99 (Brazil: Bahia).

Syn.: Tanystylum dohrnii — Schimkewitsch, 1890: 333–335, fig 6? (Brazil: Bahia). Tanystylum pfefferi —Schimkewitsch, 1906.

Holotype: Unknown.

Type locality: Abrolhos, Bahia, Brazil.

Ecological note: on drifting algae.

Tanystylum evelinae Marcus, 1940 c: 99 –102, fig 13 (Brazil: São Paulo, 0–5 m) .— Stock, 1992: 119 (Brazil: São Paulo, infralittoral).

Holotype: Not designated.

Type locality: Baia de Santos, São Paulo .

Ecological note: Found among algae.

Tanystylum isabellae Marcus, 1940 c: 102 –105, fig 14a–h (Brazil: São Paulo, shallow water).— Sawaya, 1949: 73 (Brazil: Espírito Santo, 35 m).— Stock, 1992: 119 –121, figs 22–26 (Brazil: São Paulo, infralittoral).— Varoli, 1994: 623 (Brazil: São Paulo).— Varoli, 1996: 43 [tab.] (Brazil: São Paulo).— Széchy & Paula, 2000: 130 (Brazil: Rio de Janeiro, 0–2 m).

Syn.: Tanystylum tubirostre —Bourdillon, 1955 (non Stock, 1954).

Holotype: Not designated.

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

Ecological note: On seaweeds growing on rocky shore. On Sargassum cymosum C. Agardh, and S. rigidulum

Kuetzing.