Desmokontae
plural noun
Des·mo·kon·tae
ˌdezməˈkän(ˌ)tē
: 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
Word History
Etymology
New Latin, from desm- + -kontae (from Greek kontos pole)