diff --git a/+matnwb/+utility/isNeurodataTypeClassName.m b/+matnwb/+utility/isNeurodataTypeClassName.m
index bc53bdea..69f61cd8 100644
--- a/+matnwb/+utility/isNeurodataTypeClassName.m
+++ b/+matnwb/+utility/isNeurodataTypeClassName.m
@@ -8,9 +8,51 @@
     arguments
         typeName (1,1) string
     end
-
+    
     tf = false;
     if startsWith(typeName, 'types.') && ~startsWith(typeName, 'types.untyped')
-        tf = true;
+        mc = meta.class.fromName(typeName);
+        if ~isempty(mc)
+            tf = hasSuperClass(mc, 'types.untyped.MetaClass');
+        end
     end
 end
+
+function tf = hasSuperClass(mc, superClassName)
+% hasSuperClass - Recursively check if a meta.class object has a specific superclass.
+%
+%   tf = hasSuperClass(mc, superClassName) returns true if the meta.class object
+%       mc has a superclass with the name superClassName, either directly or
+%       indirectly (through its own superclasses).
+%
+%   Arguments:
+%       mc - A meta.class object.
+%       superClassName - The name of the superclass to check for (string).
+%
+%   Returns:
+%       tf - Logical value indicating if the class has the specified superclass.
+
+    arguments
+        mc meta.class
+        superClassName (1,1) string
+    end
+
+    % Check if the current class has the desired superclass directly.
+    for i = 1:numel(mc.SuperclassList)
+        if mc.SuperclassList(i).Name == superClassName
+            tf = true;
+            return;
+        end
+    end
+
+    % If not, check recursively through each superclass.
+    for i = 1:numel(mc.SuperclassList)
+        if hasSuperClass(mc.SuperclassList(i), superClassName)
+            tf = true;
+            return;
+        end
+    end
+
+    % If no match found, return false.
+    tf = false;
+end
\ No newline at end of file