The Collaborative International Dictionary of English v.0.48:

Gymnoblastea \Gym`no*blas"te*a\
   (j[i^]m`n[-o]*bl[a^]s"t[-e]*[.a]), n. pl. [NL. fr. Gr.
   gymno`s naked + blasta`nein to sprout.] (Zool.)
   The Athecata; -- so called because the medusoid buds are not
   inclosed in a capsule.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Tubularida \Tu"bu*lar`i*da\, n. pl. [NL.] (Zool.)
   An extensive division of Hydroidea; the tubularians; --
   called also Athecata, Gymnoblastea, and Tubulariae.
   [1913 Webster]