Tabellaria
noun
Tab·el·lar·ia
ˌtabəˈla(a)rēə
: a genus of pinnate diatoms (family Tabellariaceae) united in zigzag often fixed colonies and often causing in water odors suggestive of fish or geraniums
Word History
Etymology
New Latin, from feminine of Latin tabellarius relating to tablets, from tabella tablet + -arius -ary