Paramorph /(?)/

Par·a·morph

Paramorph

n.
  1. A kind of pseudomorph, in which there has been a change of physical characters, by a change in crystal structure without alteration of chemical composition, as the change of aragonite to calcite; called also allomorph. (Min.)
  2. A taxonomic variant observed within a species, for which a more specific term has not been assigned. (Biol.)