acrospire
air-vessel
ammonite
antelope
argonauta
auger
axis
butterfly
butterfly-shell
capreolate
caracol
circinal
circumvolution
cochleated
cockle-stairs
column
dextrorsal
helical
heliocentric
helispherical
helix
horn
involuted
narwal
nautilus
peristaltic
porphyry-shell
radial
reef-line
revolute
rifle
scandent
screw
serpentine
sinistrorsal
snake
snaking
spiral
spirally
spiry
staircase
tendril
thred
turbinated
turrilite
twining
vessel
volute
volution
whelk
whirlwind
worm
wormlike
wreathy


