Strain number NIES-2774  
Phylum Haptophyta  
Class Prymnesiophyceae  
Scientific name Calyptrosphaera sphaeroidea (Schiller) J.W.Jordan, L.Cros & J.R.Young  
Synonym Calyptrosphaera sphaeroidea Schiller 1913  
Former name Calyptrosphaera sphaeroidea Schiller  
Common name  
Locality (Date of collection) Sagami Bay Japan (2009-05-05)  
Latitude / Longitude 35.21666666 / 139.61666666 
Habitat (Isolation source) Marine (Seawater)  
History < Kawachi, Masanobu < Noël, Mary-Hélène  
Isolator (Date of isolation) Noël, Mary-Hélène (2009-05-**)  
Identified by Kawachi, Masanobu  
State of strain Subculture; Unialgal; Clonal; Non-axenic  
Culture condition
(Preculture condition)
Medium:  MNK  
Temperature:  20 C
Light intensity:  29 µmol photons/m2/sec, L/D cycle:  10L:14D
Duration:  2 M  
Gene information  
Cell size (min - max)  
Organization Unicellular 
Characteristics Holococcolith stage  
Other strain no. Other strain no. : MH 310  
Remarks Fragile species to transportation stresses; Read and agree "How to order 4.1" 
Movie  

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