Prymnesium is a haptophyte genus, including the species Prymnesium parvum. The name Latinizes the Greek prymnēsion ‘cable (for mooring)’, from prymna ‘stern’, from prymnos ‘hindmost’. ...
(from the article `algae`) ...and planktonic; approximately 300 species; more fossil coccolithophores known; Chrysochromulina, Emiliania, and Prymnesium.Class Raphidophyceae ...