View PDF Identifiers Isolate 738 Taxonomy Class Bacillariophyceae Genus Phaeodactylum Species tricornutum Synonyms (Name) Synonyms (Isolate) PETPD, CCMP630 Isolation Information Isolated By R. Guilard Isolation Date Winter 1972 Collector Petrovitch &Guillard Location West Dennis, MA, USA Source CCMP Specimen Details Size Length: 24-29µ Width: 4-5µ Medium F/2agar, HESNW Salinity Growth Details Growing temp. 12-20°C Active y Clonal y Map Comments fusiform