Molluscoidea, including Brachiopoda and Bryozoa. Mollusca,
including Cephalopoda, Gastropoda, Pteropoda, Scaphopoda,
Lamellibranchiata or Acephala. Echinodermata, including
Holothurioidea, Echinoidea, Asterioidea, Ophiuroidea, and
Crinoidea. C[oe]lenterata, including Anthozoa or Polyps,
Ctenophora, and Hydrozoa or Acalephs. Spongiozoa or
Porifera, including the sponges.
Source: Webster's Revised Unabridged Dictionary (1913) |
Hydrozoa \Hy`dro*zo"a\, n. pl. [NL., fr. E. hydra + Gr. ? an
animal.]
(Zo["o]l.)
The Acaleph[ae]; one of the classes of c[oe]lenterates,
including the Hydroidea, Discophora, and Siphonophora.
Source: Webster's Revised Unabridged Dictionary (1913) |