What is "hydrozoan"

Usage examples of "hydrozoan".

The Corviki resemble a marine animal in the class hydrozoa, sort of a large sac-like body with a complex collection of tendrils that may be nerve endings.

Headley, that the groundwork here, so far as we can observe it through the dense growth of hydrozoa and silicious sponges, is pumicestone and the black slag of basalt, pointing to ancient plutonic activities.

There were great passive hydrozoans like fringed ovoids of rainbow-tinted jelly, and smaller ones that resembled lovely floating blossoms with questing pastel petals.