diff --git a/src/main/java/de/dhbwstuttgart/intermediate/convert/ASTToIntermediate.java b/src/main/java/de/dhbwstuttgart/intermediate/convert/ASTToIntermediate.java
new file mode 100644
index 00000000..0673cbe2
--- /dev/null
+++ b/src/main/java/de/dhbwstuttgart/intermediate/convert/ASTToIntermediate.java
@@ -0,0 +1,5 @@
+package de.dhbwstuttgart.intermediate.convert;
+
+public class ASTToIntermediate {
+    //ToDo
+}
diff --git a/src/main/java/de/dhbwstuttgart/intermediate/types/IntermediateExtendsWildcard.java b/src/main/java/de/dhbwstuttgart/intermediate/types/IntermediateExtendsWildcard.java
index 20190127..b4f57597 100644
--- a/src/main/java/de/dhbwstuttgart/intermediate/types/IntermediateExtendsWildcard.java
+++ b/src/main/java/de/dhbwstuttgart/intermediate/types/IntermediateExtendsWildcard.java
@@ -1,4 +1,13 @@
 package de.dhbwstuttgart.intermediate.types;
 
-public class IntermediateExtendsWildcard {
+import de.dhbwstuttgart.parser.scope.JavaClassName;
+
+/**
+ * //ToDo Beschreiben
+ *
+ * @since Studienarbeit Type Erasure
+ * @author etiennezink
+ */
+public final class IntermediateExtendsWildcard {
+    //ToDo
 }
diff --git a/src/main/java/de/dhbwstuttgart/intermediate/types/IntermediateGenericType.java b/src/main/java/de/dhbwstuttgart/intermediate/types/IntermediateGenericType.java
index 7f4df842..8e176a49 100644
--- a/src/main/java/de/dhbwstuttgart/intermediate/types/IntermediateGenericType.java
+++ b/src/main/java/de/dhbwstuttgart/intermediate/types/IntermediateGenericType.java
@@ -1,4 +1,13 @@
 package de.dhbwstuttgart.intermediate.types;
 
-public class IntermediateGenericType {
+import de.dhbwstuttgart.parser.scope.JavaClassName;
+
+/**
+ * //ToDo Beschreiben
+ *
+ * @since Studienarbeit Type Erasure
+ * @author etiennezink
+ */
+public final class IntermediateGenericType {
+    //ToDo
 }
diff --git a/src/main/java/de/dhbwstuttgart/intermediate/types/IntermediateRefType.java b/src/main/java/de/dhbwstuttgart/intermediate/types/IntermediateRefType.java
index af3f9d05..84d66b1e 100644
--- a/src/main/java/de/dhbwstuttgart/intermediate/types/IntermediateRefType.java
+++ b/src/main/java/de/dhbwstuttgart/intermediate/types/IntermediateRefType.java
@@ -1,4 +1,68 @@
 package de.dhbwstuttgart.intermediate.types;
 
-public class IntermediateRefType {
+import de.dhbwstuttgart.parser.scope.JavaClassName;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+/**
+ * Represents a Java reference type.
+ *
+ * @since Studienarbeit Type Erasure
+ * @author etiennezink
+ */
+public final class IntermediateRefType extends IntermediateType{
+
+    private final List<IntermediateRefType> typParameters;
+
+    public IntermediateRefType(JavaClassName className) {
+        this(className, new ArrayList<>());
+    }
+
+    public IntermediateRefType(JavaClassName className, List<IntermediateRefType> typParameters){
+        super(className);
+        this.typParameters = Collections.unmodifiableList(typParameters);
+    }
+
+    @Override
+    public String getClassSignature() {
+        //ToDo
+        return null;
+    }
+
+    @Override
+    public String getClassDescriptor() {
+        //ToDo
+        return null;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (!(o instanceof IntermediateRefType)) return false;
+
+        IntermediateRefType intermediateRefType = (IntermediateRefType) o;
+        if(!getFullyQualifiedName().equals(intermediateRefType.getFullyQualifiedName())) return false;
+
+        for(int index = 0; index < typParameters.size(); index++){
+            if(!typParameters.get(index).equals(intermediateRefType.typParameters.get(index))) return false;
+        }
+        return true;
+    }
+
+    @Override
+    public int hashCode() {
+        //ToDo korrekte Definition auf Basis von equals
+        return 0;
+    }
+
+    public int getTypParameterSize(){ return typParameters.size(); }
+
+    /**
+     * @param index
+     * @return the typ parameter at {@code index} or {@code null}, iff {@code |typ parameters| < index}
+     */
+    public IntermediateType getTypParameter(int index) {
+        if(getTypParameterSize() < index) return null;
+        return typParameters.get(index);
+    }
 }
diff --git a/src/main/java/de/dhbwstuttgart/intermediate/types/IntermediateSuperWildcard.java b/src/main/java/de/dhbwstuttgart/intermediate/types/IntermediateSuperWildcard.java
index d3cb6f8c..1fe48ace 100644
--- a/src/main/java/de/dhbwstuttgart/intermediate/types/IntermediateSuperWildcard.java
+++ b/src/main/java/de/dhbwstuttgart/intermediate/types/IntermediateSuperWildcard.java
@@ -1,4 +1,13 @@
 package de.dhbwstuttgart.intermediate.types;
 
-public class IntermediateSuperWildcard {
+import de.dhbwstuttgart.parser.scope.JavaClassName;
+
+/**
+ * //ToDo Beschreiben
+ *
+ * @since Studienarbeit Type Erasure
+ * @author etiennezink
+ */
+public final class IntermediateSuperWildcard {
+    //ToDo
 }
diff --git a/src/main/java/de/dhbwstuttgart/intermediate/types/IntermediateType.java b/src/main/java/de/dhbwstuttgart/intermediate/types/IntermediateType.java
index 42df3d5d..3e0725bc 100644
--- a/src/main/java/de/dhbwstuttgart/intermediate/types/IntermediateType.java
+++ b/src/main/java/de/dhbwstuttgart/intermediate/types/IntermediateType.java
@@ -1,5 +1,36 @@
 package de.dhbwstuttgart.intermediate.types;
 
-public interface IntermediateType {
-    
+import de.dhbwstuttgart.core.IItemWithOffset;
+import de.dhbwstuttgart.parser.scope.JavaClassName;
+import org.antlr.v4.runtime.Token;
+
+/**
+ * //ToDo Beschreiben
+ *
+ * @since Studienarbeit Type Erasure
+ * @author etiennezink
+ */
+public abstract class IntermediateType {
+
+    private final JavaClassName className;
+
+    public IntermediateType(JavaClassName className){ this.className = className; }
+
+    @Override
+    public abstract boolean equals(Object o);
+
+    @Override
+    public abstract int hashCode();
+
+    public abstract String getClassSignature();
+    public abstract String getClassDescriptor();
+
+    @Override
+    public String toString() { return getFullyQualifiedName(); }
+
+    public String getClassName() {
+        return className.getClassName();
+    }
+    public String getPackageName() { return className.getPackageName(); }
+    public String getFullyQualifiedName() { return className.toString(); }
 }