"Hydrothecae" is a word in ENGLISH
of Hydrotheca
Every word the right one and exactly where it should be. That's basically the highest compliment I can give.
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A hydroid of the family ampanularidae, characterized by having the polyps or zooids inclosed in bell-shaped calicles or hydrothecae.
Read the complete definitionOne of the calicles which, in some Hydroidea (Thecaphora), protect the hydrants. See Illust. of Hydroidea, and Campanularian.
Read the complete definitionof Hydrotheca
Read the complete definitionA genus of delicate branching hydroids having small sessile hydrothecae along the sides of the branches.
Read the complete definitionAny species of Sertularia, or of Sertularidae, a family of hydroids having branched chitinous stems and simple sessile hydrothecae. Also …
Read the complete definition