Physostomi

plural noun

Phy·​sos·​to·​mi

fīˈsästəˌmī

in some classifications

: an order of teleost fishes comprising those in which the air bladder when present is joined with the esophagus by an open duct and the ventral fins when present are abdominal, including the salmons, herrings, carps, catfishes, and others, and being more or less nearly equivalent to Isospondyli compare malacopterygii, physoclisti

Word History

Etymology

New Latin, from phys- + -stomi

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