View PDF Identifiers Isolate 991 Taxonomy Class Cryptophyceae Genus Guillardia Species theta Synonyms (Name) THETA, CCMP327, A11,257 Synonyms (Isolate) CCMP2712 Isolation Information Isolated By Guillard,R Isolation Date 1957 Collector Guillard,R Location Milford,Connecticut USA Source North Atlantic Specimen Details Size Medium f/2, K, or Provasoli Salinity Growth Details 22°C-26°C Active v Clonal Map Comments dim light