diff --git a/src/bioregistry/data/bioregistry.json b/src/bioregistry/data/bioregistry.json
index 040ce3ac8..9735114e7 100644
--- a/src/bioregistry/data/bioregistry.json
+++ b/src/bioregistry/data/bioregistry.json
@@ -107081,6 +107081,12 @@
     }
   },
   "silva.taxon": {
+    "contact": {
+      "email": "lorenz.reimer@dsmz.de",
+      "name": "Lorenz Reimer",
+      "orcid": "0000-0002-7805-0660"
+    },
+    "contact_group": "contact@arb-silva.de",
     "contributor": {
       "email": "jplfaria@anl.gov",
       "github": "jplfaria",
diff --git a/src/bioregistry/schema/struct.py b/src/bioregistry/schema/struct.py
index 469234210..a2502c788 100644
--- a/src/bioregistry/schema/struct.py
+++ b/src/bioregistry/schema/struct.py
@@ -359,6 +359,10 @@ class Resource(BaseModel):
             "person and not be a listserve nor a shared email account."
         ),
     )
+    contact_group: Optional[str] = Field(
+        default=None,
+        description="A group contact email for the project. It's required to have a primary contact to have this field.",
+    )
     owners: Optional[List[Organization]] = Field(
         default=None,
         description="The owner of the corresponding identifier space. See also https://github.com/biopragmatics/"
diff --git a/tests/test_data.py b/tests/test_data.py
index 09d1267b3..2cfa8a067 100644
--- a/tests/test_data.py
+++ b/tests/test_data.py
@@ -841,6 +841,22 @@ def test_contacts(self):
                 )
                 self.assert_contact_metadata(resource.contact)
 
+    def test_contact_group(self) -> None:
+        """Test curation of group emails."""
+        for prefix, resource in self.registry.items():
+            if not resource.contact_group:
+                continue
+            with self.subTest(prefix=prefix):
+                self.assertIsNotNone(
+                    resource.get_contact(),
+                    msg="All curated group contacts also require an explicit primary contact. This is to promote transparency and openness.",
+                )
+                self.assertRegex(
+                    resource.contact_group,
+                    EMAIL_RE,
+                    msg=f"Group contact email is not a valid email address in {prefix}: {resource.contact_group}",
+                )
+
     def test_wikidata_wrong_place(self):
         """Test that wikidata annotations aren't accidentally placed in the wrong place."""
         registry_raw = json.loads(BIOREGISTRY_PATH.read_text(encoding="utf8"))