Protoperidinium brochii (Kofoid & Swezy) Balech, 1974

Bhowal, A, Purushothaman, J & Siddique, A, 2023, Taxonomic studies of marine dinoflagellates and distribution in the coastal waters of Kakinada, Andhra Pradesh, India, Indian Journal of Geo Marine Sciences 52 (8), pp. 390-401 : 396

2. Protoperidinium brochii (Kofoid & Swezy) Balech, 1974

Diagnostic characters: Thecate dinoflagellate with roundish body. Single small apical horn and two small slightly curved divergent antapical horns present. Presence of ring-like, almost circular girdle. Ventral portion of the body, between two antapical horns hollowed out ( Fig. 2b ).

Distribution: South Andaman region, India 20, Indian Ocean 11, Mediterranean waters 26, Black Sea 27, South-eastern Mexican Pacific Ocean 28, Brazil waters 29, New Zealand coastal waters 30, Australian waters 31, South China Sea 24.

This species was recorded from the station APK1 (surface and subsurface depths), APK3 and APK4 (subsurface depths) for the first time in Kakinada waters, and in the state of Andhra Pradesh.

Figures

Fig. 2 — Micrographs (Light microscope and SEM images) of species recorded from Kakinada coastal waters: (a) Protoperidinium depressum (Bailey) Balech 1974; (b) Protoperidinium brochii (Kofoid & Swezy) Balech, 1974; (c) Protoperidinium leonis (Pavillard) Balech 1974; (d) Protoperidinium ovum (J. Schiller) Balech 1974; (e) Protoperidinium pallidum (Ostenfeld) Balech 1973; (f) Spiraulax kofoidii H. W Graham, 1942; (g) Dinophysis caudata Saville-Kent 1881; (h) Dinophysis caudata Saville-Kent 1881; (i) Ornithocercus magnificus Stein 1883; (j) Phalacroma doryphorum Stein 1883; (k) Tripos inflatus (Kofoid) F. Gómez, 2013; (l) Tripos trichoceros (Ehrenberg) F. Gómez, 2013; (m) Tripos candelabrum (Ehrenberg) F. Gómez, 2013; (n) Tripos vultur (Cleve) F. Gómez 2013; (o) Tripos vultur (Cleve) F. Gómez 2013 magnified view; and (p) Triadinium polyedricum (Pouchet) Dodge, 1981