Family Pyrocystaceae

Family Pyrocystaceae

Citation: Pyrocystaceae Apstein 1909. Diagnosis:Goniodomineans in which the principal life-cycle phase comprises a nonmotile, nonfossilizable vegetative cyst. Type genus: Pyrocystis Murray 1885 ex Haeckel 1890. Extant genus: Pyrocystis Murray 1885 ex Haeckel 1890. (=Murracystis Haeckel 1891; taxonomic junior synonym - see Elbrächter and Drebes, 1978, p.349-350) (=Nectocystis Haeckel 1891; name not validly published and taxonomic junior synonym - see Elbrächter and Drebes, 1978, p.349-350) (=Photocystis Haeckel 1891; taxonomic junior synonym - see Elbrächter and Drebes, 1978, p.349-350)

Suborder Goniodomineae