The sides and back half of the body are covered with stout, cylindrical quills up to 350 mm long and mostly marked with alternating light and dark bands.
(The sides and back half of the body; are covered; with stout; T:cylindrical quills up to 350 mm long and mostly marked with alternating light and dark bands)
The sides and back half of the body
are covered
with stout T:cylindrical quills up to 350 mm long and mostly marked with alternating light and dark bands