diff --git a/grill/names/__init__.py b/grill/names/__init__.py
index f2d1ec8..6a8b6b9 100644
--- a/grill/names/__init__.py
+++ b/grill/names/__init__.py
@@ -37,7 +37,7 @@ def _table_from_id(id_mapping):
 
 
 class DefaultName(naming.Name):
-    """ Inherited by: :class:`grill.names.CGAsset` :class:`grill.names.DateTimeFile`
+    """ Inherited by: :class:`grill.names.CGAsset`
 
     Base class for any Name object that wishes to provide `default` functionality via
     the `get_default` method.
@@ -56,7 +56,25 @@ def get_default(cls, **kwargs) -> DefaultName:
         return name
 
 
-class DateTimeFile(naming.File, DefaultName):
+class DefaultFile(DefaultName, naming.File):
+    """ Inherited by: :class:`grill.names.DateTimeFile`
+
+    Similar to :class:`grill.names.DefaultName`, provides File Name objects default
+    creation via the `get_default` method.
+
+    Adds an extra `DEFAULT_SUFFIX='ext'` member that will be used when creating objects.
+    """
+
+    DEFAULT_SUFFIX = 'ext'
+
+    @property
+    def _defaults(self):
+        result = super()._defaults
+        result['suffix'] = type(self).DEFAULT_SUFFIX
+        return result
+
+
+class DateTimeFile(DefaultFile):
     """Time based file names respecting iso standard.
 
     ============= ================
@@ -110,19 +128,18 @@ class DateTimeFile(naming.File, DefaultName):
 
     @property
     def _defaults(self):
+        result = super()._defaults
         time_field = {'year', 'month', 'day', 'hour', 'minute', 'second', 'microsecond'}
         now = datetime.now()
-        return dict(
-            {f: getattr(now, f) for f in time_field},
-            suffix='ext',
-        )
+        result.update({f: getattr(now, f) for f in time_field})
+        return result
 
     def get_pattern_list(self) -> typing.List[str]:
         """Fields / properties names (sorted) to be used when building names.
 
         Defaults to [`date`, `time`] + keys of this name's config
         """
-        return ["date", "time"] + list(self.config)
+        return ["date", "time"] + super().get_pattern_list()
 
     @property
     def name(self) -> str:
@@ -171,10 +188,12 @@ def __init__(self, *args, sep='-', **kwargs):
 
     @property
     def _defaults(self):
-        return {k: v['default'] for k, v in ids.CGAsset.items()}
+        result = super()._defaults
+        result.update({k: v['default'] for k, v in ids.CGAsset.items()})
+        return result
 
 
-class CGAssetFile(CGAsset, naming.PipeFile):
+class CGAssetFile(CGAsset, DefaultFile, naming.PipeFile):
     """Versioned files in the pipeline for a CGAsset.
 
     Example:
@@ -189,7 +208,7 @@ class CGAssetFile(CGAsset, naming.PipeFile):
     @property
     def _defaults(self):
         result = super()._defaults
-        result.update(version=1, suffix='ext')
+        result.update(version=1)
         return result
 
     def get_path_pattern_list(self) -> typing.List[str]:
@@ -199,9 +218,8 @@ def get_path_pattern_list(self) -> typing.List[str]:
 
 
 class LifeTR(naming.Name):
-    """Taxonomic Rank used for biological classification.
+    """Taxonomic Rank used for biological classification."""
 
-    """
     config = {k: v['pattern'] for k, v in ids.LifeTR.items()}
     __doc__ += '\n' + _table_from_id(ids.LifeTR) + '\n'
 
diff --git a/tests/test_names.py b/tests/test_names.py
index f72d891..740b13b 100644
--- a/tests/test_names.py
+++ b/tests/test_names.py
@@ -77,3 +77,18 @@ class SubTime(DateTimeFile):
 
         tf = SubTime("1999-10-28 1-1-1-1 subclassed.txt")
         self.assertEqual("subclassed", tf.extra)
+
+    def test_default_suffix(self):
+        suf1 = 'abc'
+        class TimedAssetFile(DateTimeFile, CGAssetFile):
+            DEFAULT_SUFFIX = suf1
+
+        ta = TimedAssetFile.get_default(area='test')
+        self.assertEqual(ta.suffix, suf1)
+
+        suf2 = 'xyz'
+        class TimedAssetFile2(CGAssetFile):
+            DEFAULT_SUFFIX = suf2
+
+        ta = TimedAssetFile2.get_default(area='test')
+        self.assertEqual(ta.suffix, suf2)