||Spir"u*la (?), n. [NL., dim. of L.
spira a coil.] (Zoöl.) A genus of cephalopods
having a multilocular, internal, siphunculated shell in the form of a
flat spiral, the coils of which are not in contact.
||Spir"u*la (?), n. [NL., dim. of L.
spira a coil.] (Zoöl.) A genus of cephalopods
having a multilocular, internal, siphunculated shell in the form of a
flat spiral, the coils of which are not in contact.