diff --git a/src/ontology/mp-edit.owl b/src/ontology/mp-edit.owl
index 516cfbfd..57e8d491 100644
--- a/src/ontology/mp-edit.owl
+++ b/src/ontology/mp-edit.owl
@@ -14460,6 +14460,7 @@ Declaration(Class(<http://purl.obolibrary.org/obo/MP_0031583>))
 Declaration(Class(<http://purl.obolibrary.org/obo/MP_0031584>))
 Declaration(Class(<http://purl.obolibrary.org/obo/MP_0031585>))
 Declaration(Class(<http://purl.obolibrary.org/obo/MP_0031586>))
+Declaration(Class(<http://purl.obolibrary.org/obo/MP_0031587>))
 Declaration(Class(<http://purl.obolibrary.org/obo/MP_3000001>))
 Declaration(Class(<http://purl.obolibrary.org/obo/MP_3000002>))
 Declaration(Class(<http://purl.obolibrary.org/obo/MP_3000003>))
@@ -14572,11 +14573,11 @@ AnnotationAssertion(rdfs:label <http://www.geneontology.org/formats/oboInOwl#has
 
 AnnotationAssertion(rdfs:label <http://www.geneontology.org/formats/oboInOwl#hasDbXref> "database_cross_reference")
 
-# Annotation Property: <http://www.geneontology.org/formats/oboInOwl#hasExactSynonym> (has exact synonym)
+# Annotation Property: <http://www.geneontology.org/formats/oboInOwl#hasExactSynonym> (has_exact_synonym)
 
 AnnotationAssertion(rdfs:label <http://www.geneontology.org/formats/oboInOwl#hasExactSynonym> "has_exact_synonym")
 
-# Annotation Property: <http://www.geneontology.org/formats/oboInOwl#hasNarrowSynonym> (has narrow synonym)
+# Annotation Property: <http://www.geneontology.org/formats/oboInOwl#hasNarrowSynonym> (has_narrow_synonym)
 
 AnnotationAssertion(rdfs:label <http://www.geneontology.org/formats/oboInOwl#hasNarrowSynonym> "has_narrow_synonym")
 
@@ -187480,6 +187481,19 @@ AnnotationAssertion(rdfs:label <http://purl.obolibrary.org/obo/MP_0031586> "peri
 SubClassOf(<http://purl.obolibrary.org/obo/MP_0031586> <http://purl.obolibrary.org/obo/MP_0003141>)
 SubClassOf(<http://purl.obolibrary.org/obo/MP_0031586> <http://purl.obolibrary.org/obo/MP_0011749>)
 
+# Class: <http://purl.obolibrary.org/obo/MP_0031587> (abnormal pericardium development)
+
+AnnotationAssertion(Annotation(<http://www.geneontology.org/formats/oboInOwl#hasDbXref> <https://orcid.org/0000-0002-6490-7723>) Annotation(<http://www.geneontology.org/formats/oboInOwl#hasDbXref> "GO:0060039") <http://purl.obolibrary.org/obo/IAO_0000115> <http://purl.obolibrary.org/obo/MP_0031587> "any anomaly in the process whose specific outcome is the progression of the pericardium over time, from its formation to the mature structure")
+AnnotationAssertion(<http://purl.org/dc/elements/1.1/date> <http://purl.obolibrary.org/obo/MP_0031587> "2024-02-05T11:31:18Z"^^xsd:dateTime)
+AnnotationAssertion(<http://purl.org/dc/terms/contributor> <http://purl.obolibrary.org/obo/MP_0031587> <https://orcid.org/0000-0002-6490-7723>)
+AnnotationAssertion(<http://www.geneontology.org/formats/oboInOwl#hasExactSynonym> <http://purl.obolibrary.org/obo/MP_0031587> "abnormal pericardial development")
+AnnotationAssertion(<http://www.geneontology.org/formats/oboInOwl#hasOBONamespace> <http://purl.obolibrary.org/obo/MP_0031587> "MPheno.ontology")
+AnnotationAssertion(<http://www.geneontology.org/formats/oboInOwl#id> <http://purl.obolibrary.org/obo/MP_0031587> "MP:0031587")
+AnnotationAssertion(rdfs:label <http://purl.obolibrary.org/obo/MP_0031587> "abnormal pericardium development")
+EquivalentClasses(<http://purl.obolibrary.org/obo/MP_0031587> ObjectSomeValuesFrom(<http://purl.obolibrary.org/obo/BFO_0000051> ObjectIntersectionOf(<http://purl.obolibrary.org/obo/PATO_0000001> ObjectSomeValuesFrom(<http://purl.obolibrary.org/obo/RO_0000052> <http://purl.obolibrary.org/obo/GO_0060039>) ObjectSomeValuesFrom(<http://purl.obolibrary.org/obo/RO_0002573> <http://purl.obolibrary.org/obo/PATO_0000460>))))
+SubClassOf(<http://purl.obolibrary.org/obo/MP_0031587> <http://purl.obolibrary.org/obo/MP_0000267>)
+SubClassOf(<http://purl.obolibrary.org/obo/MP_0031587> <http://purl.obolibrary.org/obo/MP_0000288>)
+
 # Class: <http://purl.obolibrary.org/obo/MP_3000001> (abnormal gastrula morphology)
 
 AnnotationAssertion(Annotation(<http://www.geneontology.org/formats/oboInOwl#hasDbXref> "http://discovery.lifemapsc.com/library/review-of-medical-embryology/chapter-18-week-3-of-development-trilaminar-germ-disk-embryo-formation-and-gastrulation") <http://purl.obolibrary.org/obo/IAO_0000115> <http://purl.obolibrary.org/obo/MP_3000001> "any structural anomaly of the pear shaped trilaminar embryonic stage in which the primititve streak elongates, the epiblast cells migrate medially towards the streak, enter the primitive groove and migrate laterally to organize into the intraembryonic mesoderm (epithelio-mesenchymal transition) between the embryonic ectoderm and primitive endoderm; the notochordal process forms and extends, and the disc becomes pear shaped as the notochordal process grows")