ichthyodorulite

== English == === Etymology === From ichthyo- +‎ Ancient Greek δόρυ (dóru) +‎ -lite. === Noun === ichthyodorulite (plural ichthyodorulites) (zoology) One of the spiny plates found on the back and tail of certain skates. Synonym: dermal denticle (geology) A fossil fish-spine found in stratified rock. === References ===