Any member of the subphylum Cephalochorda, such as the lancelet or amphioxus.
From 'cephalochorda' + '-ate' (noun suffix indicating a member). Singular form for an individual organism within this taxonomic group.
The cephalochordate is basically a time capsule—holding within its simple 2-inch body the evolutionary secrets of how worms eventually became whales, humans, and all other vertebrates.
Complete word intelligence in one call. Free tier — 50 lookups/day.