gyroconic

English

a shell of Spirula spirula is gyroconic: it has disconnected whorls.

Etymology

From gyro- +‎ conic.

Adjective

gyroconic (not comparable)

1. (malacology) Having or being a (mollusc) spiral shell which is conic (wider on the open end) and in which the whorls do not touch.

Related terms

• gyrocone

See also

• cyrtoconic