Word Study
branchiostegal
CIDE DICTIONARY
branchiostegal, a. [Gr. gill + to cover: cf. F. branchiostège.].
Pertaining to the membrane covering the gills of fishes. [1913 Webster]
" This term was formerly applied to a group of fishes having boneless branchiæ. But the arrangement was artificial, and has been rejected." [1913 Webster]
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