diff --git a/src/Plugin/EntityReferenceSelection/ClassyParagraphsSelection.php b/src/Plugin/EntityReferenceSelection/ClassyParagraphsSelection.php
new file mode 100644
index 0000000..05efeb1
--- /dev/null
+++ b/src/Plugin/EntityReferenceSelection/ClassyParagraphsSelection.php
@@ -0,0 +1,157 @@
+<?php
+
+namespace Drupal\classy_paragraphs\Plugin\EntityReferenceSelection;
+
+use Drupal\Core\Entity\Plugin\EntityReferenceSelection\DefaultSelection;
+use Drupal\Core\Form\FormStateInterface;
+use Drupal\classy_paragraphs\Entity\ClassyParagraphsStyle;
+
+/**
+ * Plugin implementation of the Entity Reference Selection plugin.
+ *
+ * @EntityReferenceSelection(
+ *   id = "classy_paragraphs",
+ *   label = @Translation("Classy paragraphs"),
+ *   entity_types = {"classy_paragraphs_style"},
+ *   group = "classy_paragraphs",
+ *   weight = 5
+ * )
+ */
+class ClassyParagraphsSelection extends DefaultSelection {
+
+  /**
+   * {@inheritdoc}
+   */
+  public function buildConfigurationForm(array $form, FormStateInterface $form_state) {
+    $selection_handler_settings = $this->configuration['handler_settings'];
+
+    $selection_handler_settings += [
+      'filter' => [
+        'type' => '_none',
+        'negate' => FALSE,
+      ],
+      'sort' => [
+        'field' => '_none',
+      ],
+    ];
+
+    $bundles = ClassyParagraphsStyle::loadMultiple();
+    $bundle_options = [];
+    foreach ($bundles as $bundle_name => $bundle_info) {
+      $bundle_options[$bundle_name] = $bundle_info->label();
+    }
+    natsort($bundle_options);
+
+    $form['filter']['type'] = [
+      '#type' => 'select',
+      '#title' => $this->t('Filter by'),
+      '#options' => [
+        '_none' => $this->t('- None -'),
+        'target_bundles' => $this->t('Classy styles'),
+        'starts_with' => $this->t('Machine name'),
+      ],
+      '#ajax' => TRUE,
+      '#limit_validation_errors' => [],
+      '#default_value' => $selection_handler_settings['filter']['type'],
+    ];
+
+    if ($selection_handler_settings['filter']['type'] != '_none') {
+      if ($selection_handler_settings['filter']['type'] === 'target_bundles') {
+        $form['filter']['target_bundles'] = [
+          '#type' => 'checkboxes',
+          '#title' => $this->t('Classy paragraphs styles'),
+          '#options' => $bundle_options,
+          '#default_value' => (array) $selection_handler_settings['filter']['target_bundles'],
+          '#description' => t('If no classes are selected, all will be allowed, independent on negate filter.'),
+          '#required' => FALSE,
+        ];
+
+        $form['filter']['negate'] = [
+          '#type' => 'checkbox',
+          '#title' => $this->t('Negate filter'),
+          '#default_value' => $selection_handler_settings['filter']['negate'],
+          '#description' => t('Possible to filter newly added classes dynamically without updating the field config.'),
+          '#required' => FALSE,
+        ];
+      }
+
+      if ($selection_handler_settings['filter']['type'] === 'starts_with') {
+        $form['filter']['starts_with'] = [
+          '#type' => 'textfield',
+          '#title' => $this->t('Classy paragraphs machine name starts with'),
+          '#default_value' => $selection_handler_settings['filter']['starts_with'],
+          '#description' => t('You can filter for matching machine names.') . ' ' . t('Possible to filter newly added classes dynamically without updating the field config.'),
+          '#required' => FALSE,
+        ];
+      }
+
+      $form['sort']['field'] = [
+        '#type' => 'select',
+        '#title' => $this->t('Sort by'),
+        '#options' => [
+          '_none' => $this->t('- None -'),
+          'id' => $this->t('Machine name'),
+          'label' => $this->t('Label'),
+        ],
+        '#ajax' => TRUE,
+        '#limit_validation_errors' => [],
+        '#default_value' => $selection_handler_settings['sort']['field'],
+      ];
+
+      if ($selection_handler_settings['sort']['field'] != '_none') {
+        // Merge-in default values.
+        $selection_handler_settings['sort'] += [
+          'direction' => 'ASC',
+        ];
+
+        $form['sort']['direction'] = [
+          '#type' => 'select',
+          '#title' => $this->t('Sort direction'),
+          '#required' => TRUE,
+          '#options' => [
+            'ASC' => $this->t('Ascending'),
+            'DESC' => $this->t('Descending'),
+          ],
+          '#default_value' => $selection_handler_settings['sort']['direction'],
+        ];
+      }
+    }
+
+    return $form;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
+  protected function buildEntityQuery($match = NULL, $match_operator = 'CONTAINS') {
+    $query = parent::buildEntityQuery($match, $match_operator);
+    $handler_settings = $this->configuration['handler_settings'];
+
+    // Used for autocomplete.
+    if (isset($match)) {
+      $query->condition('label', $match, $match_operator);
+    }
+
+    // Filter by machine name.
+    if (!empty($handler_settings['filter']['starts_with'])) {
+      $query->condition('id', $handler_settings['filter']['starts_with'], 'STARTS_WITH');
+    }
+    // Filter by paragraphs type/bundle name.
+    if (!empty($handler_settings['filter']['target_bundles'])) {
+      $query->condition('id', $handler_settings['filter']['target_bundles'], $handler_settings['filter']['negate'] ? 'NOT IN' : 'IN');
+    }
+
+    // Add the sort option.
+    if (!empty($handler_settings['sort'])) {
+      $sort_settings = $handler_settings['sort'];
+      if ($sort_settings['field'] != '_none') {
+        $query->sort($sort_settings['field'], $sort_settings['direction']);
+      }
+    }
+
+    $query->addTag('classy');
+
+    return $query;
+  }
+
+}