chitin  search
RTorganic compounds
 Invertebrata
 cuticles
 polysaccharides
 exoskeletons
 tests
SNOrganic compound which is a common constituent of various invertebrate exoskeletons and tests. Added to Thesaurus in 1989.
Chitinozoa  search
BTmicrofossils
 .Chitinozoa
BTpalynomorphs
 .Chitinozoa
SNThis term has multiple hierarchies.