diff --git a/lib/galaxy/datatypes/registry.py b/lib/galaxy/datatypes/registry.py
index 8ccea6c30d7..f130e18bb9f 100644
--- a/lib/galaxy/datatypes/registry.py
+++ b/lib/galaxy/datatypes/registry.py
@@ -46,7 +46,8 @@ class Registry( object ):
                 'laj'      : images.Laj(),
                 'lav'      : sequence.Lav(),
                 'html'     : images.Html(),
-                'customtrack' : interval.CustomTrack()
+                'customtrack' : interval.CustomTrack(),
+                'gbrowsetrack' : interval.GBrowseTrack()
             }
             self.mimetypes_by_extension = { 
                 'data'     : 'application/octet-stream', 
@@ -66,7 +67,8 @@ class Registry( object ):
                 'laj'      : 'text/plain',
                 'lav'      : 'text/plain',
                 'html'     : 'text/html',
-                'customtrack' : 'text/plain'
+                'customtrack' : 'text/plain',
+                'gbrowsetrack' : 'text/plain'
             }
     
     def get_mimetype_by_extension(self, ext ):
diff --git a/static/ucsc/builds.txt b/static/ucsc/builds.txt
index d5d696e5f5c..839a2aad072 100644
--- a/static/ucsc/builds.txt
+++ b/static/ucsc/builds.txt
@@ -94,3 +94,35 @@ vibrVuln_YJ016_1	Vibrio vulnificus YJ016 12/06/2003 (vibrVuln_YJ016_1)
 heliHepa1	Helicobacter hepaticus 06/18/2003 (heliHepa1)
 heliPylo_26695_1	Helicobacter pylori 26695 08/07/1997 (heliPylo_26695_1)
 heliPylo_J99_1	Helicobacter pylori J99 01/29/1999 (heliPylo_J99_1)
+#
+#Harvested from http://www.wormbase.org/db/seq/gbrowse/wormbase/
+#
+brugia	Brugia malayi (current release)
+briggsae_cb25	C. briggsae (cb25.agp8 release; 2003)
+briggsae	C. briggsae (current release)
+elegans	C. elegans (current release)
+elegans_gmap	C. elegans (genetic map)
+elegans_pmap	C. elegans (physical map)
+nGASP	C. elegans WS160 Gene Prediction Assessment Browser
+ws77	C. elegans WS77 gene predictions
+remanei	C. remanei (preliminary analysis)
+fly	D. melanogaster (via Gadfly Release 2)
+fly31	D. melanogaster (via Gadfly Release 3.1)
+nGASP_submissions	nGASP WS160 Phase 1 Gene Predictions
+yeast_chr1	S. cerevisiae chromosome I
+#
+#Harvested from http://flybase.bio.indiana.edu/cgi-bin/gbrowse/dmel/
+#
+dana	D. ananassae Genome
+dere	D. erecta Genome
+dgri	D. grimshawi Genome
+dmel	D. melanogaster Genome (R5.1)
+dmoj	D. mojavensis Genome
+dper	D. persimilis Genome
+dpse	D. pseudoobscura Genome (R2.0)
+dsec	D. sechellia Genome
+dsim	D. simulans Genome
+dvir	D. virilis Genome
+dwil	D. willistoni Genome
+dyak	D. yakuba Genome
+dmelstocks	Insertions in Stock Collections