Citation: Dinophysiaceae Stein 1883.
Diagnosis: Dinophysialeans in which the motile cell is rounded, ovoidal or reniform and never more than three times as long as it is broad. The ventral pore is on the ventral episome. The flagellar pore is immediately posterior to the cingulum. Type genus: Dinophysis Ehrenberg 1839b.
Citharistes Stein 1883. Dinofurcula Kofoid and Skogsberg 1928. Dinophysis Ehrenberg 1839b.
Heteroschisma Kofoid and Skogsberg 1928 ex Schiller, 1931.
Histioneis Stein 1883.
Histiophysis Kofoid and Skogsberg 1928. Metadinophysis Nie Dashu and Wang Chiachi 1941. Metaphalacroma Tai Lisun and Skogsberg 1934. Ornithocercus Stein 1883.
Pseudophalacroma Jörgensen 1923 ex Lebour 1925. Sinophysis Nie Dashu and Wang Chiachi 1944. ?Thaumatodinium Böhm 1933.
?Palaeodinophysis Vozzhennikova and Sheshegova 1989; Devonian (Eifelian). ?Ternia Helby and Stover 1987a; Jurassic (Bathonian-Callovian).
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