ALGAE IN PHYTOPLANKTON OF THE UNITED STATES 



Table l.-List of algal genera observed in the phytoplankton of the United 



States - Continued 



CHRYSOPHYTA 



Chrysophytes 



Amphichrysis 



Botrydiopsis 

 Bumilleriopsis 



Centritractus 



Characiopsis 



Chlorallanthus 



Chlorellidiopsis 



Chlorobotrys 



Chlorocloster 



Chromulina 



Chrysamoeba 



Chrysochroviulina 



Chrysococcus 



Chrysosphaerella 



Chrysoxys 



Cyclonexis 



Diachros 



Diceras 



Dinobryon 



Epipyxis 

 Gloeochloris 



Harpochytrium 

 Hydrurus 



Kephyrion 



Mallomonas 

 Mischococcus 



Ochromonas 



Olisthodiscus 



Ophiocytium 



Perone 



Peromelia 



Pseudokephyrion 



Rhizochrysis 



Stipitococcus 

 Synura 



Tribonema 



Uroglena 

 Uroglenopsis 



CHRYSOPHYTA 



Diatoms 



Achnanthes 



Actinella 



Actinocyclus 



Amphicampa 



Amphipleura 



Amphora 



Anomoeoneis 



Asterionella 



Attheya 



Auliscus 



Biddulphia 



Caloneis 



Campylodiscus 



Cerataulina 



Chaetoceros 



Cocconeis 



Coscinodiscus 



Cyclotella 



Cylindrotheca 



Cymbella 



Denticula 

 Diatoma 

 Diatomella 

 Diploneis 



Entomoneis 



Epithemia 



Eunotia 



Fragilaria 

 Frustulia 



Gomphoneis 

 Gomphonema 

 Guinardia 

 Gyrosigma 



Hannaea 

 Hantzschia 

 Hemiaulus 

 Hyalodiscus 



Licmophora 



Mastogloia 

 Melosira 



Meridion 



Navicula 

 Neidium 

 Nitzschia 



Opephora 



Pinnularia 



Plagiotropsis 



Pleurosigma 



Rhabdonema 

 Rhizosolenia 

 Rhoicosphenia 

 Rhapalodia 



Scoliopleura 



Skeletonema 



Stauroneis 



Stephanodiscus 



Stephanopyxis 



Streptotheca 



Surirella 



Synedra 



Tabellaria 



Terpsinoe 



Tetracyclus 



Thalassiosira 



PHYRROPHYTA (Dinoflagellates) 



Amphidinium 

 Ceratium 

 Dinophysis 

 Exuviaella 



Glenodinium 

 Gonyaulax 

 Gymnodinium 

 Gyrodinium 



Hemidinium 



Massartia 



Oxyphysis 



Peridinium 



Prorocentrum 



CRYPTOPHYTA (Cryptomonads) 



Chilomonas 

 Chroomonas 



Cryptomonas 

 Cyanomonas 



Rhodomonas 



