diff --git a/graphene_sqlalchemy/converter.py b/graphene_sqlalchemy/converter.py
index f4b805e2..18842fb0 100644
--- a/graphene_sqlalchemy/converter.py
+++ b/graphene_sqlalchemy/converter.py
@@ -16,10 +16,21 @@
 from .registry import get_global_registry
 from .resolvers import get_attr_resolver, get_custom_resolver
 
+
+class DummyImport:
+    def __getattr__(self, name):
+        return object
+
+
+try:
+    import sqlalchemy_utils
+except ImportError:
+    sqlalchemy_utils = DummyImport()
+
 try:
-    from sqlalchemy_utils import ChoiceType, JSONType, ScalarListType, TSVectorType
+    from geoalchemy2.elements import Geometry
 except ImportError:
-    ChoiceType = JSONType = ScalarListType = TSVectorType = object
+    Geometry = object
 
 
 is_selectin_available = getattr(strategies, 'SelectInLoader', None)
@@ -183,7 +194,12 @@ def convert_sqlalchemy_type(type, column, registry=None):
 @convert_sqlalchemy_type.register(postgresql.UUID)
 @convert_sqlalchemy_type.register(postgresql.INET)
 @convert_sqlalchemy_type.register(postgresql.CIDR)
-@convert_sqlalchemy_type.register(TSVectorType)
+@convert_sqlalchemy_type.register(sqlalchemy_utils.TSVectorType)
+@convert_sqlalchemy_type.register(sqlalchemy_utils.UUIDType)
+@convert_sqlalchemy_type.register(sqlalchemy_utils.EmailType)
+@convert_sqlalchemy_type.register(sqlalchemy_utils.URLType)
+@convert_sqlalchemy_type.register(sqlalchemy_utils.IPAddressType)
+@convert_sqlalchemy_type.register(Geometry)
 def convert_column_to_string(type, column, registry=None):
     return String
 
@@ -218,7 +234,7 @@ def convert_enum_to_enum(type, column, registry=None):
 
 
 # TODO Make ChoiceType conversion consistent with other enums
-@convert_sqlalchemy_type.register(ChoiceType)
+@convert_sqlalchemy_type.register(sqlalchemy_utils.ChoiceType)
 def convert_choice_to_enum(type, column, registry=None):
     name = "{}_{}".format(column.table.name, column.name).upper()
     if isinstance(type.choices, EnumMeta):
@@ -229,7 +245,7 @@ def convert_choice_to_enum(type, column, registry=None):
         return Enum(name, type.choices)
 
 
-@convert_sqlalchemy_type.register(ScalarListType)
+@convert_sqlalchemy_type.register(sqlalchemy_utils.ScalarListType)
 def convert_scalar_list_to_list(type, column, registry=None):
     return List(String)
 
@@ -248,6 +264,6 @@ def convert_json_to_string(type, column, registry=None):
     return JSONString
 
 
-@convert_sqlalchemy_type.register(JSONType)
+@convert_sqlalchemy_type.register(sqlalchemy_utils.JSONType)
 def convert_json_type_to_string(type, column, registry=None):
     return JSONString
diff --git a/graphene_sqlalchemy/tests/test_converter.py b/graphene_sqlalchemy/tests/test_converter.py
index f0fc1802..d1f89a4d 100644
--- a/graphene_sqlalchemy/tests/test_converter.py
+++ b/graphene_sqlalchemy/tests/test_converter.py
@@ -13,7 +13,7 @@
 from graphene.types.datetime import DateTime
 from graphene.types.json import JSONString
 
-from ..converter import (convert_sqlalchemy_column,
+from ..converter import (DummyImport, convert_sqlalchemy_column,
                          convert_sqlalchemy_composite,
                          convert_sqlalchemy_relationship)
 from ..fields import (UnsortedSQLAlchemyConnectionField,
@@ -369,3 +369,9 @@ def __init__(self, col1, col2):
             Registry(),
             mock_resolver,
         )
+
+
+def test_dummy_import():
+    """The dummy module returns 'object' for a query for any member"""
+    dummy_module = DummyImport()
+    assert dummy_module.foo == object