Possessing or characterized by basibranchial structures; in zoology, describing organisms with well-developed basal gill bones.
From 'basibranchial' (base of gills) + '-ate' (having or characterized by). A zoological adjective describing gill anatomy.
When fish scientists classify different species, they look at detailed features like whether gill bones are developed—'basibranchiate' fish have particularly strong or prominent basal gill structures.
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