You searched for: “arachnactis
arachnactis (s) (noun), arachnactines (pl)
A planktonic larva of tube anemones of the order Ceriantharia: Sally read about arachnactines in her biology book and found out that they were free-swimming larva of particular actinians.
This entry is located in the following unit: arachno-, arachn- + (page 1)