EDIT

			if(taxonNode != null && taxonNode instanceof TaxonNode){

				//((TaxonNode) treeNode).delete();

				element = ((TaxonNode)taxonNode).getTaxon();

				DeleteResult result = service.deleteTaxonNode((TaxonNode)taxonNode, config);

				if (result.isError() && !result.getExceptions().isEmpty()){

					DeleteResultMessagingUtils.messageDialogWithDetails(result, "TaxonNode could not be deleted.", TaxeditorNavigationPlugin.PLUGIN_ID);

				} else if (!result.getExceptions().isEmpty()){

					String separator = ", ";

				    String exceptionString = "";

				    for (Exception exception : result.getExceptions()) {

			            exceptionString += exception.getLocalizedMessage()+separator;

			        }

				    DeleteResultMessagingUtils.messageDialogWithDetails(result, "TaxonNode was successfully deleted, but related object(s) could not be deleted", TaxeditorNavigationPlugin.PLUGIN_ID);

				}

			}else if(taxonNode != null && taxonNode instanceof Classification){

				Classification taxonomicTree = (Classification) taxonNode;

				DeleteResult result = CdmStore.getService(IClassificationService.class).delete(taxonomicTree.getUuid());

                if (result.isError() && !result.getExceptions().isEmpty()){

                    //TODO:Error message!

                    DeleteResultMessagingUtils.messageDialogWithDetails(result, "TaxonNode could not be deleted.", TaxeditorNavigationPlugin.PLUGIN_ID);

                }