| Rating | Solver | Clue |
|---|---|---|
| SUCKS | Siphons | |
| SIPHONATE | Having a siphon or siphons. | |
| TUBE | One of the siphons of a bivalve mollusk. | |
| ASIPHONIDA | A group of bivalve mollusks destitute of siphons, as the oyster; the asiphonate mollusks. | |
| SIPHONOBRANCHIATE | Having a siphon, or siphons, to convey water to the gills; belonging or pertaining to the Siphonobranchiata. | |
| SIPHONATA | A tribe of bivalve mollusks in which the posterior mantle border is prolonged into two tubes or siphons. Called also Siphoniata. See Siphon, 2 (a), and Quahaug. | |