Cryptoconchus

{{Short description|Genus of molluscs}}

{{automatic taxobox

| fossil_range = {{geo range|Pliocene|Recent|ref={{Fossil chiton catalogue}}}}

| image = Cryptoconchus porosus (butterfly chiton).JPG

| image_caption = The butterfly chiton, Cryptoconchus porosus.

| taxon = Cryptoconchus

| authority = Blainville in Burrow, 1815

| subdivision_ranks = Species

| subdivision = {{bold species list

|C. floridanus|(Dall, 1889)

|C. porosus|(Burrow, 1815)}}

}}

Cryptoconchus is a genus of chitons in the family Acanthochitonidae.