diff --git a/pori_python/graphkb/match.py b/pori_python/graphkb/match.py
index c646f49..6172a63 100644
--- a/pori_python/graphkb/match.py
+++ b/pori_python/graphkb/match.py
@@ -275,7 +275,26 @@ def positions_overlap(
     return start is None or pos == start
 
 
+def equivalent_types(conn: GraphKBConnection, type1: str, type2: str):
+
+    # Convert rid to displayName if needed
+    if looks_like_rid(type1):
+        type1 = conn.get_records_by_id([type1])[0]['displayName']
+    if looks_like_rid(type2):
+        type2 = conn.get_records_by_id([type2])[0]['displayName']
+
+    # Get terms set
+    terms1 = get_terms_set(conn, [type1])
+    terms2 = get_terms_set(conn, [type2])
+
+    if len(terms1.intersection(terms2)) == 0:
+        return False
+    
+    return True
+
+
 def compare_positional_variants(
+    conn: GraphKBConnection,
     variant: Union[PositionalVariant, ParsedVariant],
     reference_variant: Union[PositionalVariant, ParsedVariant],
     generic: bool = True,
@@ -377,6 +396,11 @@ def compare_positional_variants(
                 return False
         elif len(variant["refSeq"]) != len(reference_variant["refSeq"]):  # type: ignore
             return False
+        
+    # Equivalent types
+    if variant.get('type') and reference_variant.get('type'):
+        if not equivalent_types(conn, variant["type"], reference_variant["type"]):
+            return False
 
     return True
 
@@ -598,10 +622,14 @@ def match_positional_variant(
     ):
         # TODO: Check if variant and reference_variant should be interchanged
         if compare_positional_variants(
-            variant=parsed, reference_variant=cast(PositionalVariant, row), generic=True
+            conn,
+            variant=parsed,
+            reference_variant=cast(PositionalVariant, row),
+            generic=True,
         ):
             filtered_similarAndGeneric.append(row)
             if compare_positional_variants(
+                conn,
                 variant=parsed,
                 reference_variant=cast(PositionalVariant, row),
                 generic=False,  # Similar variants only
diff --git a/tests/test_graphkb/test_match.py b/tests/test_graphkb/test_match.py
index 175c7b1..7c18f22 100644
--- a/tests/test_graphkb/test_match.py
+++ b/tests/test_graphkb/test_match.py
@@ -269,13 +269,16 @@ def test_known_increased_expression(self, conn):
 class TestComparePositionalVariants:
     def test_nonspecific_altseq(self):
         assert match.compare_positional_variants(
+            conn,
             {"break1Start": {"pos": 1}}, {"break1Start": {"pos": 1}}
         )
         # null matches anything
         assert match.compare_positional_variants(
+            conn,
             {"break1Start": {"pos": 1}, "untemplatedSeq": "T"}, {"break1Start": {"pos": 1}}
         )
         assert match.compare_positional_variants(
+            conn,
             {"break1Start": {"pos": 1}}, {"break1Start": {"pos": 1}, "untemplatedSeq": "T"}
         )
 
@@ -284,16 +287,19 @@ def test_nonspecific_altseq(self):
     def test_ambiguous_altseq(self, seq1, seq2):
         # ambiguous AA matches anything the same length
         assert match.compare_positional_variants(
+            conn,
             {"break1Start": {"pos": 1}, "untemplatedSeq": seq1},
             {"break1Start": {"pos": 1}, "untemplatedSeq": seq2},
         )
 
     def test_altseq_length_mismatch(self):
         assert not match.compare_positional_variants(
+            conn,
             {"break1Start": {"pos": 1}, "untemplatedSeq": "??"},
             {"break1Start": {"pos": 1}, "untemplatedSeq": "T"},
         )
         assert not match.compare_positional_variants(
+            conn,
             {"break1Start": {"pos": 1}, "untemplatedSeq": "?"},
             {"break1Start": {"pos": 1}, "untemplatedSeq": "TT"},
         )
@@ -301,9 +307,11 @@ def test_altseq_length_mismatch(self):
     def test_nonspecific_refseq(self):
         # null matches anything
         assert match.compare_positional_variants(
+            conn,
             {"break1Start": {"pos": 1}, "refSeq": "T"}, {"break1Start": {"pos": 1}}
         )
         assert match.compare_positional_variants(
+            conn,
             {"break1Start": {"pos": 1}}, {"break1Start": {"pos": 1}, "refSeq": "T"}
         )
 
@@ -312,36 +320,43 @@ def test_nonspecific_refseq(self):
     def test_ambiguous_refseq(self, seq1, seq2):
         # ambiguous AA matches anything the same length
         assert match.compare_positional_variants(
+            conn,
             {"break1Start": {"pos": 1}, "refSeq": seq1}, {"break1Start": {"pos": 1}, "refSeq": seq2}
         )
 
     def test_refseq_length_mismatch(self):
         assert not match.compare_positional_variants(
+            conn,
             {"break1Start": {"pos": 1}, "refSeq": "??"}, {"break1Start": {"pos": 1}, "refSeq": "T"}
         )
         assert not match.compare_positional_variants(
+            conn,
             {"break1Start": {"pos": 1}, "refSeq": "?"}, {"break1Start": {"pos": 1}, "refSeq": "TT"}
         )
 
     def test_diff_altseq(self):
         assert not match.compare_positional_variants(
+            conn,
             {"break1Start": {"pos": 1}, "untemplatedSeq": "M"},
             {"break1Start": {"pos": 1}, "untemplatedSeq": "R"},
         )
 
     def test_same_altseq_matches(self):
         assert match.compare_positional_variants(
+            conn,
             {"break1Start": {"pos": 1}, "untemplatedSeq": "R"},
             {"break1Start": {"pos": 1}, "untemplatedSeq": "R"},
         )
 
     def test_diff_refseq(self):
         assert not match.compare_positional_variants(
+            conn,
             {"break1Start": {"pos": 1}, "refSeq": "M"}, {"break1Start": {"pos": 1}, "refSeq": "R"}
         )
 
     def test_same_refseq_matches(self):
         assert match.compare_positional_variants(
+            conn,
             {"break1Start": {"pos": 1}, "refSeq": "R"}, {"break1Start": {"pos": 1}, "refSeq": "R"}
         )
 
@@ -364,8 +379,8 @@ def test_range_vs_sub(self):
             "refSeq": "G",
             "untemplatedSeq": "VV",
         }
-        assert not match.compare_positional_variants(sub, range_variant)
-        assert not match.compare_positional_variants(range_variant, sub)
+        assert not match.compare_positional_variants(conn, sub, range_variant)
+        assert not match.compare_positional_variants(conn, range_variant, sub)
 
 
 class TestMatchPositionalVariant: