diff --git a/ols-ontologies.yaml b/ols-ontologies.yaml
index d4410aa..3c89c3c 100644
--- a/ols-ontologies.yaml
+++ b/ols-ontologies.yaml
@@ -701,3 +701,25 @@ terms are allowed in a specific location of the data model."
     reasoner: EL
     oboSlims: false
     ontology_purl : https://raw.githubusercontent.com/HumanCellAtlas/ontology/master/hcao.owl
+
+ - id: amphx
+    preferredPrefix: AMPHX
+    title: Amphioxus Development and Anatomy Ontology
+    definition_property:
+      - http://purl.obolibrary.org/obo/IAO_0000115
+    synonym_property:
+      - http://www.geneontology.org/formats/oboInOwl#hasExactSynonym
+    base_uri:
+      - http://purl.obolibrary.org/obo/AMPHX_
+    ontology_purl: https://raw.githubusercontent.com/EBISPOT/amphx_ontology/master/amphx.owl
+
+  - id: clyh
+    preferredPrefix: CLYH
+    title: Clytia hemisphaerica Development and Anatomy Ontology
+    definition_property:
+      - http://purl.obolibrary.org/obo/IAO_0000115
+    synonym_property:
+      - http://www.geneontology.org/formats/oboInOwl#hasExactSynonym
+    base_uri:
+      - http://purl.obolibrary.org/obo/CLYH_
+    ontology_purl: https://raw.githubusercontent.com/EBISPOT/clyh_ontology/master/clyh.owl