title: The presence of pteridines in the hypodermis as a taxonomic tool in crayfish.
mesh_terms: D000818:Animals; D002855:Chromatography, Thin Layer; D003445:Crustacea / Q000145:classification*; D011621:Pteridines / Q000032:analysis* / Q000378:metabolism; D013045:Species Specificity
chemical_list: D011621:Pteridines