Index: trunk/ippTools/src/warptool.c
===================================================================
--- trunk/ippTools/src/warptool.c	(revision 20413)
+++ trunk/ippTools/src/warptool.c	(revision 20440)
@@ -749,4 +749,5 @@
     PXOPT_COPY_STR(config->args, where, "-skycell_id", "skycell_id", "==");
     PXOPT_COPY_STR(config->args, where, "-tess_id", "tess_id", "==");
+    PXOPT_COPY_STR(config->args, where, "-class_id", "class_id", "==");
 
     PXOPT_LOOKUP_U64(limit, config->args, "-limit", false, false);
Index: trunk/ippTools/src/warptoolConfig.c
===================================================================
--- trunk/ippTools/src/warptoolConfig.c	(revision 20413)
+++ trunk/ippTools/src/warptoolConfig.c	(revision 20440)
@@ -208,4 +208,5 @@
     psMetadataAddStr(scmapArgs, PS_LIST_TAIL, "-skycell_id", 0,            "search by skycell ID", NULL);
     psMetadataAddStr(scmapArgs, PS_LIST_TAIL, "-tess_id", 0,            "search by tess ID", NULL);
+    psMetadataAddStr(scmapArgs, PS_LIST_TAIL, "-class_id", 0,            "search by class ID", NULL);
     psMetadataAddU64(scmapArgs, PS_LIST_TAIL, "-limit",  0,            "limit result set to N items", 0);
     psMetadataAddBool(scmapArgs, PS_LIST_TAIL, "-simple",  0,            "use the simple output format", false);