heterostrophic

heterostrophic

(ˌhɛtərəʊˈstrɒfɪk)
adj
(Zoology) (of a shell) twisting or turning in a different direction
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References in periodicals archive ?
Heterostrophic shells and pelagic development in trochoideans: implications for classification, phylogeny, and paleoecolgy.
Smooth, sinistrally heterostrophic protoconch oriented 130 degrees to teleoconch axis, with 40% submerged within first adult whorl.