plural noun
Des·mo·kon·tae | \ ˌdezməˈkän(ˌ)tē \

Definition of Desmokontae 

: a class of chiefly solitary and motile algae (division Pyrrophyta) that have the cell wall divided vertically into two valves which are not in turn divided into plates like those of members of the class Dinophyceae

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History and Etymology for Desmokontae

New Latin, from desm- + -kontae (from Greek kontos pole)

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to deposit or conceal in a hiding place

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