Relating to or belonging to the whale superfamily Balaenoidea.
From Balaenoidea with the adjectival suffix '-an'. This term converts the taxonomic group name into a descriptive adjective for any member or characteristic.
When a marine biologist says 'balaenoidean characteristics,' they're describing features that unite all the different whale families—it's like saying 'the whale-family way of being'!
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