Gastrocopta Pentodon- Close view- from UW-L Bio pageComb snaggletooth snails range from 1.5-2.0mm or 1/16 of an inch.  The average size although is 1.50mm-1.75mm.  Often comb snaggletooth snails are opaque white in color or could be compared to the color of paraffin wax.  They usually have five folds or in other words rings encompassing them.  Most have 5 to 6 teeth, but occasionally some will be found with as many as 9 teeth.