The family of lancelets, small marine animals that are primitive relatives of fish.
From Branchiostoma + the taxonomic family suffix -idae, following Linnaean nomenclature for biological classification.
The Branchiostomidae family is a window into vertebrate evolution—these creatures have existed largely unchanged for millions of years, making them 'living laboratories' for studying early vertebrate anatomy.
Complete word intelligence in one call. Free tier — 50 lookups/day.