diff --git a/src/ontology/efo-edit.owl b/src/ontology/efo-edit.owl
index d0f6c0a1..8873629e 100644
--- a/src/ontology/efo-edit.owl
+++ b/src/ontology/efo-edit.owl
@@ -16998,6 +16998,7 @@ Declaration(Class(efo:EFO_0022611))
 Declaration(Class(efo:EFO_0022612))
 Declaration(Class(efo:EFO_0022613))
 Declaration(Class(efo:EFO_0022614))
+Declaration(Class(efo:EFO_0022615))
 Declaration(Class(efo:EFO_0030000))
 Declaration(Class(efo:EFO_0030001))
 Declaration(Class(efo:EFO_0030002))
@@ -204488,6 +204489,15 @@ AnnotationAssertion(dc:date efo:EFO_0022614 "2024-06-07T11:00:55Z"^^xsd:dateTime
 AnnotationAssertion(rdfs:label efo:EFO_0022614 "HCASMC-hTERT"@en)
 SubClassOf(efo:EFO_0022614 efo:EFO_0005735)
 
+# Class: efo:EFO_0022615 (10x Xenium)
+
+AnnotationAssertion(Annotation(efo:definition_citation "ORCID:0000-0002-8937-3457") obo:IAO_0000115 efo:EFO_0022615 "Xenium is a spatial profiling technology from 10x Genomics that utilizes high-resolution imaging to simultaneously analyze the expression of hundreds of RNA targets within a single tissue section.")
+AnnotationAssertion(dc:creator efo:EFO_0022615 "Zoe May Pendlington")
+AnnotationAssertion(dc:date efo:EFO_0022615 "2024-06-14T11:15:01Z"^^xsd:dateTime)
+AnnotationAssertion(oboInOwl:hasExactSynonym efo:EFO_0022615 "Xenium")
+AnnotationAssertion(rdfs:label efo:EFO_0022615 "10x Xenium"@en)
+SubClassOf(efo:EFO_0022615 efo:EFO_0008994)
+
 # Class: efo:EFO_0030000 (STARmap)
 
 AnnotationAssertion(Annotation(oboInOwl:hasDbXref "PMID:29930089") Annotation(oboInOwl:hasDbXref "https://orcid.org/0000-0002-3090-9894") obo:IAO_0000115 efo:EFO_0030000 "STARmap is an image-based technology for 3D intact-tissue RNA sequencing, which integrates hydrogel-tissue chemistry, targeted signal amplification, and in situ sequencing.")