Tripos trichoceros (Ehrenberg) Gómez, 2013

Nunes, Caio Ceza da Silva, Susini-Ribeiro, Sylvia Maria Moreira & Cavalcante, Kaoli Pereira, 2019, Dinoflagellates in tropical estuarine waters from the Maraú River, Camamu Bay, northeastern Brazil, Check List 15 (5), pp. 951-963 : 955

Tripos trichoceros (Ehrenberg) Gómez, 2013

Figure 2E

Brazil, estuary of Maraú River: River Zone Station 1, 14°06′33″S, 039°02′48″W, IX.2006 (HUESC 24039), I.2007 (HUESC 24054), VII.2007 (HUESC 24078); Mixing Zone Station 2, 14°04′52″S, 38°59′12″W, XI.2006 (HUESC 24047), XII.2006 (HUESC 24051), III.2007 (HUESC 24063), VI.2007 (HUESC 24075), VII.2007 (HUESC 24079); Mixing Zone Station 3, 13°57′24″S, 38°59′38″W, IX.2006 (HUESC 24040), X.2006 (HUESC 24044), XI.2006 (HUESC 24048), XII.2006 (HUESC 24052), III.2007 (HUESC 24064), IV.2007 (HUESC 24068), V.2007 (HUESC 24072), VI.2007 (HUESC 24076), VII.2007 (HUESC 24080); Coastal Zone Station 4, 13°54′56″S, 38°58′57″W, IX.2006 (HUESC 24041), X. 2006 (HUESC 24045), XI.2006 (HUESC 24049), XII. 2006 (HUESC 24053), II.2007 (HUESC 24061), III.2007 (HUESC 24065), IV.2007 (HUESC 24069), VII.2007 (HUESC 24081).

Small cell body with long projections, asymmetrical triangular epitheca abruptly tapered into a long, straight and thin apical horn, cingulum excavated, hypotheca with two well-developed curved antapical horns directed anteriorly, divergente from the apical horn. TL: 187.5– 287.5 μm (232.5 ± 45.60 μm), EL: 100–250 μm (182.5 ± 55.87 μm), CW: 37.5–50 μm (42.5 ± 5.30 μm), RAH: 100–237.5μ m (166 ± 38.91 μm), LAH: 87.5–225 μm (157 ± 39.85 μm), AH: 82.5–237.5 μm (165.5 ± 56.61 μm), HL: 15–30 μm (22 ± 5.70 μm) (n = 26).

Distribution in Brazil: widely distributed along the Brazilian coastal region; cited as Ceratium trichoceros (Ehrenberg) Kofoid ( Flora do Brasil 2019).