serpenticone
adjEtymology From serpent + -i- + cone.
1
Biology, Malacology, Natural sciences Serpenticonic.
- [...] disturbance to such a form might produce rapid acceleration in two ways — in shape, from serpenticone to criocone, in ornament, from tuberculate to costate, that is, costate post-tuberculate.1927, Sydney Savory Buckman, Martin Simpson, George Young, Type Ammonites:
- Coiling is serpenticone or heteromorph, sculpture is of ribbing (almost invariably simple), with external tuberculation in Choristoceratidae. Generally criocone although much of the phragmocone may be serpenticone.1979, Paper, →ISBN:
- Related terms
- involute