Related formsnon·suc·to·ri·al, adjective
Examples from the Web for suctorial
To these may be added the suctorial mouth of the Myxinoid fishes.
Biting mandibles; second maxillae incompletely or completely fused; often forming a suctorial proboscis.
If, of course, its suctorial mouth had arisen from an ancestral gnathostomatous mouth, then the argument would have more force.The Origin of Vertebrates|Walter Holbrook Gaskell
It seems likely that any suctorial insect which feeds on a plague-stricken rat will take numbers of the bacilli into its stomach.The Flea|Harold Russell
The young fish on hatching immediately used its suctorial disc to attach itself to the sides of the vessel in which it was placed.