What's the adjective for preservatory? Here's the word you're looking for.
Included below are past participle and present participle forms for the
verbs preserve, preservatise and preservatize which may be used as adjectives within certain contexts.
“Pedunculate barnacles, with fleshy stalks, suffer from reduced preservational potential.”
“Or is it simply a preservational artifact, where aetosaur bones are less likely to be preserved in the younger rocks?”
“Rates of sediment accumulation, differential bioturbation and preservational processes may also have influenced the final diversity of fossils in the rocks.”
“Even today, one frequently finds in Egyptian fields preserved bodies, called mummies, which appear to be covered with a fine layer of some preserving agent.”