diff --git a/pkg/analysis_server/lib/src/services/correction/error_fix_status.yaml b/pkg/analysis_server/lib/src/services/correction/error_fix_status.yaml
index 6258af99a73..b1d30088cf9 100644
--- a/pkg/analysis_server/lib/src/services/correction/error_fix_status.yaml
+++ b/pkg/analysis_server/lib/src/services/correction/error_fix_status.yaml
@@ -636,6 +636,10 @@ CompileTimeErrorCode.EXTENSION_OVERRIDE_WITH_CASCADE:
     Replace the `..` with `.`.
 CompileTimeErrorCode.EXTENSION_OVERRIDE_WITHOUT_ACCESS:
   status: noFix
+CompileTimeErrorCode.EXTENSION_TYPE_CONSTRUCTOR_WITH_SUPER_INVOCATION:
+  status: needsFix
+  notes: |-
+    Remove it.
 CompileTimeErrorCode.EXTENSION_TYPE_DECLARES_INSTANCE_FIELD:
   status: noFix
 CompileTimeErrorCode.EXTENSION_TYPE_DECLARES_MEMBER_OF_OBJECT:
diff --git a/pkg/analyzer/lib/src/error/codes.g.dart b/pkg/analyzer/lib/src/error/codes.g.dart
index 603aa60e3ec..30d1e6e8454 100644
--- a/pkg/analyzer/lib/src/error/codes.g.dart
+++ b/pkg/analyzer/lib/src/error/codes.g.dart
@@ -1598,6 +1598,14 @@ class CompileTimeErrorCode extends AnalyzerErrorCode {
     hasPublishedDocs: true,
   );
 
+  ///  No parameters.
+  static const CompileTimeErrorCode
+      EXTENSION_TYPE_CONSTRUCTOR_WITH_SUPER_INVOCATION = CompileTimeErrorCode(
+    'EXTENSION_TYPE_CONSTRUCTOR_WITH_SUPER_INVOCATION',
+    "Extension type constructors can't include superinitializers.",
+    correctionMessage: "Try removing the superconstructor invocation.",
+  );
+
   ///  No parameters.
   static const CompileTimeErrorCode EXTENSION_TYPE_DECLARES_INSTANCE_FIELD =
       CompileTimeErrorCode(
diff --git a/pkg/analyzer/lib/src/error/error_code_values.g.dart b/pkg/analyzer/lib/src/error/error_code_values.g.dart
index 79f9b8bc1e8..59a0305eec1 100644
--- a/pkg/analyzer/lib/src/error/error_code_values.g.dart
+++ b/pkg/analyzer/lib/src/error/error_code_values.g.dart
@@ -191,6 +191,7 @@ const List<ErrorCode> errorCodeValues = [
   CompileTimeErrorCode.EXTENSION_OVERRIDE_ARGUMENT_NOT_ASSIGNABLE,
   CompileTimeErrorCode.EXTENSION_OVERRIDE_WITHOUT_ACCESS,
   CompileTimeErrorCode.EXTENSION_OVERRIDE_WITH_CASCADE,
+  CompileTimeErrorCode.EXTENSION_TYPE_CONSTRUCTOR_WITH_SUPER_INVOCATION,
   CompileTimeErrorCode.EXTENSION_TYPE_DECLARES_INSTANCE_FIELD,
   CompileTimeErrorCode.EXTENSION_TYPE_DECLARES_MEMBER_OF_OBJECT,
   CompileTimeErrorCode.EXTENSION_TYPE_IMPLEMENTS_DISALLOWED_TYPE,
diff --git a/pkg/analyzer/lib/src/generated/error_verifier.dart b/pkg/analyzer/lib/src/generated/error_verifier.dart
index dbf1caba96e..6d26aa83422 100644
--- a/pkg/analyzer/lib/src/generated/error_verifier.dart
+++ b/pkg/analyzer/lib/src/generated/error_verifier.dart
@@ -1286,6 +1286,7 @@ class ErrorVerifier extends RecursiveAstVisitor<void>
     );
     _isInConstructorInitializer = true;
     try {
+      _checkForExtensionTypeConstructorWithSuperInvocation(node);
       super.visitSuperConstructorInvocation(node);
     } finally {
       _isInConstructorInitializer = false;
@@ -2877,6 +2878,17 @@ class ErrorVerifier extends RecursiveAstVisitor<void>
     }
   }
 
+  void _checkForExtensionTypeConstructorWithSuperInvocation(
+    SuperConstructorInvocation node,
+  ) {
+    if (_enclosingClass is ExtensionTypeElement) {
+      errorReporter.reportErrorForToken(
+        CompileTimeErrorCode.EXTENSION_TYPE_CONSTRUCTOR_WITH_SUPER_INVOCATION,
+        node.superKeyword,
+      );
+    }
+  }
+
   void _checkForExtensionTypeDeclaresInstanceField(FieldDeclaration node) {
     if (_enclosingClass is! ExtensionTypeElement) {
       return;
diff --git a/pkg/analyzer/messages.yaml b/pkg/analyzer/messages.yaml
index 6dcc99ef935..f13399e35a4 100644
--- a/pkg/analyzer/messages.yaml
+++ b/pkg/analyzer/messages.yaml
@@ -5056,6 +5056,10 @@ CompileTimeErrorCode:
 
       If there are multiple cascaded accesses, you'll need to duplicate the
       extension override for each one.
+  EXTENSION_TYPE_CONSTRUCTOR_WITH_SUPER_INVOCATION:
+    problemMessage: "Extension type constructors can't include superinitializers."
+    correctionMessage: Try removing the superconstructor invocation.
+    comment: No parameters.
   EXTENSION_TYPE_DECLARES_INSTANCE_FIELD:
     problemMessage: "Extension types can't declare instance fields."
     correctionMessage: Try replacing the field with a getter.
diff --git a/pkg/analyzer/test/src/diagnostics/extension_type_constructor_with_super_invocation_test.dart b/pkg/analyzer/test/src/diagnostics/extension_type_constructor_with_super_invocation_test.dart
new file mode 100644
index 00000000000..48a32f9952d
--- /dev/null
+++ b/pkg/analyzer/test/src/diagnostics/extension_type_constructor_with_super_invocation_test.dart
@@ -0,0 +1,69 @@
+// Copyright (c) 2023, the Dart project authors. Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+import 'package:analyzer/src/error/codes.dart';
+import 'package:test_reflective_loader/test_reflective_loader.dart';
+
+import '../dart/resolution/context_collection_resolution.dart';
+
+main() {
+  defineReflectiveSuite(() {
+    defineReflectiveTests(ExtensionTypeConstructorWithSuperInvocationTest);
+  });
+}
+
+@reflectiveTest
+class ExtensionTypeConstructorWithSuperInvocationTest
+    extends PubPackageResolutionTest {
+  test_named() async {
+    await assertErrorsInCode('''
+extension type E(int it) {
+  E.named() : it = 0, super.named();
+}
+''', [
+      error(
+          CompileTimeErrorCode.EXTENSION_TYPE_CONSTRUCTOR_WITH_SUPER_INVOCATION,
+          49,
+          5),
+    ]);
+
+    final node = findNode.singleSuperConstructorInvocation;
+    assertResolvedNodeText(node, r'''
+SuperConstructorInvocation
+  superKeyword: super
+  period: .
+  constructorName: SimpleIdentifier
+    token: named
+    staticElement: <null>
+    staticType: null
+  argumentList: ArgumentList
+    leftParenthesis: (
+    rightParenthesis: )
+  staticElement: <null>
+''');
+  }
+
+  test_unnamed() async {
+    await assertErrorsInCode('''
+extension type E(int it) {
+  E.named() : it = 0, super();
+}
+''', [
+      error(
+          CompileTimeErrorCode.EXTENSION_TYPE_CONSTRUCTOR_WITH_SUPER_INVOCATION,
+          49,
+          5),
+    ]);
+
+    final node = findNode.singleSuperConstructorInvocation;
+    assertResolvedNodeText(node, r'''
+SuperConstructorInvocation
+  superKeyword: super
+  argumentList: ArgumentList
+    leftParenthesis: (
+    rightParenthesis: )
+  staticElement: <null>
+''');
+  }
+}
diff --git a/pkg/analyzer/test/src/diagnostics/test_all.dart b/pkg/analyzer/test/src/diagnostics/test_all.dart
index ccf6ab2a5a3..0f992dc24ea 100644
--- a/pkg/analyzer/test/src/diagnostics/test_all.dart
+++ b/pkg/analyzer/test/src/diagnostics/test_all.dart
@@ -238,6 +238,8 @@ import 'extension_override_with_cascade_test.dart'
     as extension_override_with_cascade;
 import 'extension_override_without_access_test.dart'
     as extension_override_without_access;
+import 'extension_type_constructor_with_super_invocation_test.dart'
+    as extension_type_constructor_with_super_invocation;
 import 'extension_type_declares_instance_field_test.dart'
     as extension_type_declares_instance_field;
 import 'extension_type_declares_member_of_object_test.dart'
@@ -1046,6 +1048,7 @@ main() {
     extension_override_argument_not_assignable.main();
     extension_override_with_cascade.main();
     extension_override_without_access.main();
+    extension_type_constructor_with_super_invocation.main();
     extension_type_declares_instance_field.main();
     extension_type_declares_member_of_object.main();
     extension_type_implements_disallowed_type.main();