diff --git a/deepmd/tf2/descriptor/se_atten_v2.py b/deepmd/tf2/descriptor/se_atten_v2.py
index 84db19fc59..d343226da9 100644
--- a/deepmd/tf2/descriptor/se_atten_v2.py
+++ b/deepmd/tf2/descriptor/se_atten_v2.py
@@ -4,11 +4,15 @@
 from ..common import (
     register_dpmodel_mapping,
 )
+from .base_descriptor import (
+    BaseDescriptor,
+)
 from .dpa1 import (
     DescrptDPA1,
 )
 
 
+@BaseDescriptor.register("se_atten_v2")
 class DescrptSeAttenV2(DescrptDPA1, DescrptSeAttenV2DP):
     pass
 
diff --git a/deepmd/tf2/descriptor/se_t.py b/deepmd/tf2/descriptor/se_t.py
index 98e142de6c..1636778486 100644
--- a/deepmd/tf2/descriptor/se_t.py
+++ b/deepmd/tf2/descriptor/se_t.py
@@ -6,8 +6,14 @@
 )
 from ..utils import exclude_mask as _tf2_exclude_mask  # noqa: F401
 from ..utils import network as _tf2_network  # noqa: F401
+from .base_descriptor import (
+    BaseDescriptor,
+)
 
 
+@BaseDescriptor.register("se_e3")
+@BaseDescriptor.register("se_at")
+@BaseDescriptor.register("se_a_3be")
 @tf2_module
 class DescrptSeT(DescrptSeTDP):
     pass
diff --git a/deepmd/tf2/descriptor/se_t_tebd.py b/deepmd/tf2/descriptor/se_t_tebd.py
index 4b7e65c50f..f7be203692 100644
--- a/deepmd/tf2/descriptor/se_t_tebd.py
+++ b/deepmd/tf2/descriptor/se_t_tebd.py
@@ -10,6 +10,9 @@
 from ..utils import exclude_mask as _tf2_exclude_mask  # noqa: F401
 from ..utils import network as _tf2_network  # noqa: F401
 from ..utils import type_embed as _tf2_type_embed  # noqa: F401
+from .base_descriptor import (
+    BaseDescriptor,
+)
 
 
 @tf2_module
@@ -17,6 +20,7 @@ class DescrptBlockSeTTebd(DescrptBlockSeTTebdDP):
     pass
 
 
+@BaseDescriptor.register("se_e3_tebd")
 @tf2_module
 class DescrptSeTTebd(DescrptSeTTebdDP):
     pass
diff --git a/source/tests/consistent/test_tf2_descriptor_registration.py b/source/tests/consistent/test_tf2_descriptor_registration.py
new file mode 100644
index 0000000000..42968efa2b
--- /dev/null
+++ b/source/tests/consistent/test_tf2_descriptor_registration.py
@@ -0,0 +1,54 @@
+# SPDX-License-Identifier: LGPL-3.0-or-later
+"""Every TF2 descriptor wrapper must register its config type names.
+
+TF2 standard-model construction resolves descriptors through
+``BaseDescriptor.get_class_by_type(<type>)``.  The wrapper classes exist and are
+exported by ``deepmd.tf2.descriptor``, but several used to be defined without the
+``@BaseDescriptor.register(...)`` decorators the JAX wrappers carry, so their
+config type names could not be resolved and model construction failed with an
+unknown-descriptor error.
+"""
+
+import unittest
+
+from .common import (
+    INSTALLED_TF2,
+)
+
+if INSTALLED_TF2:
+    import deepmd.tf2.descriptor  # noqa: F401
+    from deepmd.tf2.descriptor.base_descriptor import (
+        BaseDescriptor,
+    )
+
+# type names that must resolve on the TF2 descriptor registry, mirroring the
+# JAX wrapper registrations for the same descriptors.
+TF2_DESCRIPTOR_TYPES = [
+    "se_e2_a",
+    "se_a",
+    "se_e2_r",
+    "se_r",
+    "se_e3",  # se_t
+    "se_at",  # se_t
+    "se_a_3be",  # se_t
+    "se_e3_tebd",  # se_t_tebd
+    "se_atten_v2",
+    "se_atten",  # dpa1
+    "dpa1",
+    "dpa2",
+    "dpa3",
+    "hybrid",
+]
+
+
+@unittest.skipUnless(INSTALLED_TF2, "TF2 backend is not installed")
+class TestTF2DescriptorRegistration(unittest.TestCase):
+    def test_all_types_resolve(self) -> None:
+        for descriptor_type in TF2_DESCRIPTOR_TYPES:
+            with self.subTest(descriptor_type=descriptor_type):
+                cls = BaseDescriptor.get_class_by_type(descriptor_type)
+                self.assertTrue(callable(cls))
+
+
+if __name__ == "__main__":
+    unittest.main()