criocone
English edit
Etymology edit
From Ancient Greek κρῑός (krīós, “ram”) + cone.[1][2]
Noun edit
criocone (plural criocones)
- (malacology) An organism or fossil with a crioconic shell, or such a shell itself.
- 2002, K. Histon, Albert Daurer, Cephalopods, present and past:
- Small planospiral criocones with partially coiled whorls (microconchs) or completely uncoiled (macroconchs). Whorl-section hexagonal, rounded up to round. The protoconch and the first whorl unknown, but [...]
Adjective edit
criocone
- (malacology) Crioconic.
- 1927, Sydney Savory Buckman, Martin Simpson, George Young, Type Ammonites:
- [...] 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.
References edit
- ^ I.F. Henderson, W.D. Henderson, J.H. Kenneth (1920) “criocone”, in A Dictionary Of Scientific Terms, seventh edition, page 116
- ^ Rudolf Schlegelmilch (1985) Die Ammoniten des süddeutschen Doggers: Ein Bestimmungsbuch für Fossiliensammler und Geologen (in German), Springer-Verlag, →ISBN, →OCLC, page 9