32* 



PROTOZOOLOGY 



Genus Woloszynskia Thompson (1950). An apparently intermedi- 

 ate form between Gymnodinioidae and Peridinioidae. 



Family 2 Dinophysidae Kofoid 



Genus Dinophysis Ehrenberg. Highly compressed; annulus wid- 

 ened, funnel-like, surrounding small epitheca; chromatophores yel- 

 low; salt water. Several species (Schiller, 1928). Morphology and 

 taxonomy (Tai and Skogsberg, 1934). 



Fig. 133. a, Dolichodinium lineatum, X670 (Kofoid and Adamson), 

 b, Goniodoma acuminata, X340 (Stein); c, Gonyaulax polyedra, X670 

 (Kofoid); d, G. apiculata, X670 (Lindemann) ; e, Spiraulax jolliffei, 

 right side of theca, X340 (Kofoid); f, Dinophysis acuta, X580 (Schutt); 

 g, h, Oxyphysis oxytoxoides, X780 (Kofoid); i, Phytodinium simplex, 

 X340 (Klebs); j, k, Dissodinium lunula: j, primary cyst (Dogiel); k, 

 secondary cyst with 4 swarmers (Wailes), X220. 



