diff --git a/rdf/tbox/filegraph/research-resource.owl b/rdf/tbox/filegraph/research-resource.owl
index d7e7573a..997bd64d 100644
--- a/rdf/tbox/filegraph/research-resource.owl
+++ b/rdf/tbox/filegraph/research-resource.owl
@@ -492,4 +492,21 @@
         <obo:IAO_0000412 rdf:resource="http://purl.obolibrary.org/obo/obi.owl"/>
     </owl:Class>
 
+
+<!-- http://purl.obolibrary.org/obo/OBI_0100026 -->
+
+    <owl:Class rdf:about="http://purl.obolibrary.org/obo/OBI_0100026">
+        <rdfs:subClassOf rdf:resource="http://purl.obolibrary.org/obo/BFO_0000040"/>
+        <obo:IAO_0000117 rdf:datatype="http://www.w3.org/2001/XMLSchema#string">GROUP: OBI Biomaterial Branch</obo:IAO_0000117>
+        <obo:IAO_0000115 xml:lang="en">A material entity that is an individual living system, such as animal, plant, bacteria or virus, that is capable of replicating or reproducing, growth and maintenance in the right environment. An organism may be unicellular or made up, like humans, of many billions of cells divided into specialized tissues and organs.</obo:IAO_0000115>
+        <obo:IAO_0000119 xml:lang="en">WEB: http://en.wikipedia.org/wiki/Organism</obo:IAO_0000119>
+        <obo:IAO_0000112 xml:lang="en">animal</obo:IAO_0000112>
+        <obo:IAO_0000112 xml:lang="en">fungus</obo:IAO_0000112>
+        <obo:IAO_0000111 xml:lang="en">organism</obo:IAO_0000111>
+        <obo:IAO_0000112 xml:lang="en">plant</obo:IAO_0000112>
+        <obo:IAO_0000112 xml:lang="en">virus</obo:IAO_0000112>
+        <obo:IAO_0000114 rdf:resource="http://purl.obolibrary.org/obo/IAO_0000121"/>
+        <obo:IAO_0000412 rdf:resource="http://purl.obolibrary.org/obo/obi.owl"/>
+    </owl:Class>
+
 </rdf:RDF>
diff --git a/rdf/tbox/firsttime/initialTBoxAnnotations.n3 b/rdf/tbox/firsttime/initialTBoxAnnotations.n3
index 139583c1..ae2b784c 100644
--- a/rdf/tbox/firsttime/initialTBoxAnnotations.n3
+++ b/rdf/tbox/firsttime/initialTBoxAnnotations.n3
@@ -7640,3 +7640,6 @@ vivo:hasEquipment
               <http://vitro.mannlib.cornell.edu/ns/vitro/role#public> ;
       vitro:selectFromExistingAnnot
               "true"^^xsd:boolean .
+
+<http://purl.obolibrary.org/obo/OBI_0100026>
+      rdfs:label "Organism"@en-US .