diff --git a/src/Model/SedimentLayer/SedimentLayerList.py b/src/Model/SedimentLayer/SedimentLayerList.py
index d2b662269cef4d574b6c75b493f3a8bc0c6bbe5f..e9025e01793303662497f9c36e65044e4fb30ecd 100644
--- a/src/Model/SedimentLayer/SedimentLayerList.py
+++ b/src/Model/SedimentLayer/SedimentLayerList.py
@@ -4,33 +4,17 @@ from tools import trace, timer
 
 from Model.DB import SQLSubModel
 from Model.Except import NotImplementedMethodeError
+from Model.Tools.PamhyrList import PamhyrModelList
 from Model.SedimentLayer.SedimentLayer import SedimentLayer
 
-class SedimentLayerList(SQLSubModel):
+class SedimentLayerList(PamhyrModelList):
     _sub_classes = [SedimentLayer]
 
-    def __init__(self, status = None):
-        super(SedimentLayerList, self).__init__()
-
-        self._status = status
-        self._sl = []
-
-    def __len__(self):
-        return len(self._sl)
-
-    @classmethod
-    def _sql_create(cls, execute):
-        return cls._create_submodel(execute)
-
-    @classmethod
-    def _sql_update(cls, execute, version):
-        return cls._update_submodel(execute, version)
-
     @classmethod
     def _sql_load(cls, execute, data = None):
         new = cls(status = data["status"])
 
-        new._sl = SedimentLayer._sql_load(execute, data)
+        new._lst = SedimentLayer._sql_load(execute, data)
 
         return new
 
@@ -41,61 +25,17 @@ class SedimentLayerList(SQLSubModel):
         execute("DELETE FROM sedimentary_layer")
         execute("DELETE FROM sedimentary_layer_layer")
 
-        for sl in self._sl:
+        for sl in self._lst:
             ok &= sl._sql_save(execute, data)
 
         return ok
 
     @property
     def sediment_layers(self):
-        return self._sl.copy()
-
-    def get(self, index):
-        return self._sl[index]
-
-    def set(self, index, new):
-        self._sl[index] = new
-        self._status.modified()
-
-    def insert(self, index, new):
-        self._sl.insert(index, new)
-        self._status.modified()
+        return self.lst
 
     def new(self, index):
         n = SedimentLayer(status = self._status)
         self.insert(index, n)
         self._status.modified()
         return n
-
-    def delete(self, els):
-        for el in els:
-            self._sl.remove(el)
-        self._status.modified()
-
-    def delete_i(self, indexes):
-        els = list(
-            map(
-                lambda x: x[1],
-                filter(
-                    lambda x: x[0] in indexes,
-                    enumerate(self._sl)
-                )
-            )
-        )
-        self.delete(els)
-
-    def move_up(self, index):
-        if index < len(self._sl):
-            next = index - 1
-
-            l = self._sl
-            l[index], l[next] = l[next], l[index]
-            self._status.modified()
-
-    def move_down(self, index):
-        if index >= 0:
-            prev = index + 1
-
-            l = self._sl
-            l[index], l[prev] = l[prev], l[index]
-            self._status.modified()
diff --git a/src/Model/Tools/PamhyrList.py b/src/Model/Tools/PamhyrList.py
index 3446d85b04da8f473b1086e707d35f09b9cddc4b..bf8537dd1c0c3ab2003831d9f64bd627b2d598a7 100644
--- a/src/Model/Tools/PamhyrList.py
+++ b/src/Model/Tools/PamhyrList.py
@@ -45,7 +45,7 @@ class PamhyrModelList(SQLSubModel):
 
     @classmethod
     def _sql_update(cls, execute, version):
-        raise NotImplementedMethodeError(cls, cls._sql_update)
+        return cls._update_submodel(execute, version)
 
     @classmethod
     def _sql_load(cls, execute, data = None):