You searched for: “physostomes”
physostome (s) (noun), physostomes (pl)
Fish that have a pneumatic duct leading from the air bladder to some part of the alimentary canal (usually the esophagus); they include members of a number of suborders and the name is no longer used in systematic classification.
—A Dictionary of Zoology by A. W. Leftwich
(London: Constable and Company Limited, 1973).
This entry is located in the following units: phys-, physo- + (page 1) physic-, physico-, physi-, physio-, phy- (page 9)