VOCABULARY LIST 14 - OTHER DEUTEROSTOME PHYLA

phylum CHAETOGNATHA
arrow worms
pelagic planktonic or benthic
carnivorous
head, trunk, tail
vestibule
grasping spines

phylum HEMICHORDATA
acorn worms
benthic, infauna
proboscis, collar, trunk
ventral and dorsal nerve cords
gill slits

phylum CHORDATA
pharyngeal gill slits
dorsal tubular nerve cord
notochord
postanal tail

subphylum UROCHORDATA
sea squirts, tunicates
tunic
atrium
buccal siphon, atrial siphon
pharynx
gill slits
filter feeding

subphylum CEPHALOCHORDATA
lancelets
littoral infauna
Branchiostoma (Amphioxus)
notochord, etc. as adults
notochord "also" in the head
oral hood with cirri
vestibule
pharynx
atrium
atriopore
nerve cord
notochord
fins
myotomes