diff --git a/app/controllers/dev_controller.rb b/app/controllers/dev_controller.rb
new file mode 100644
index 00000000..240aaf50
--- /dev/null
+++ b/app/controllers/dev_controller.rb
@@ -0,0 +1,10 @@
+# frozen_string_literal: true
+
+# Small, development-only pages for manually exercising UI components.
+class DevController < ApplicationController
+  def index
+  end
+
+  def autocomplete
+  end
+end
diff --git a/app/controllers/names_controller.rb b/app/controllers/names_controller.rb
index 99f67a5d..a7c26ee3 100644
--- a/app/controllers/names_controller.rb
+++ b/app/controllers/names_controller.rb
@@ -53,14 +53,18 @@ class NamesController < ApplicationController
 
   # GET /names/autocomplete.json?q=Maco
   # GET /names/autocomplete.json?q=Allo&rank=genus
+  # GET /names/autocomplete.json?q=Pseu&minimum_rank=class
   def autocomplete
     name = params[:q].downcase
     rank = params[:rank]&.downcase
+    minimum_rank = params[:minimum_rank]&.downcase
     @names =
       Name.where('LOWER(name) LIKE ?', "#{name}%")
           .or(Name.where('LOWER(name) LIKE ?', "% #{name}%"))
           .limit(20)
     @names = @names.where(rank: rank) if rank
+    minimum_ranks = Name.ranks_at_or_above(minimum_rank)
+    @names = @names.where(rank: minimum_ranks) if minimum_ranks
     @names = @names.where(redirect: nil)
   end
 
diff --git a/app/javascript/packs/autocomplete.js b/app/javascript/packs/autocomplete.js
index 139c6fc6..7490ca85 100644
--- a/app/javascript/packs/autocomplete.js
+++ b/app/javascript/packs/autocomplete.js
@@ -4,11 +4,13 @@ $(document).on("turbolinks:load", function() {
     url: function(phrase) {
       var data = $($(event)[0]["srcElement"]).data();
       var what = data["autocomplete"];
-      var path = ROOT_PATH + what + "/autocomplete.json?q=" + phrase;
-      for(let i of ["rank"]) {
-        if(data[i]) { path = path + "&" + i + "=" + data[i] ; }
+      var url = new URL(what + "/autocomplete.json", ROOT_PATH);
+      url.searchParams.set("q", phrase);
+      if(data["rank"]) { url.searchParams.set("rank", data["rank"]); }
+      if(data["minimumRank"]) {
+        url.searchParams.set("minimum_rank", data["minimumRank"]);
       }
-      return path;
+      return url.toString();
     },
     getValue: "value",
     template: {
@@ -20,4 +22,3 @@ $(document).on("turbolinks:load", function() {
   input.easyAutocomplete(eac_options);
   console.log('Autocomplete initialized');
 });
-
diff --git a/app/models/name.rb b/app/models/name.rb
index 532ffa52..790de862 100644
--- a/app/models/name.rb
+++ b/app/models/name.rb
@@ -224,6 +224,11 @@ def ranks
       %w[domain phylum class order family genus species subspecies]
     end
 
+    def ranks_at_or_above(rank)
+      rank_index = ranks.index(rank.to_s.downcase)
+      ranks.take(rank_index + 1) if rank_index
+    end
+
     def rank_suffixes
       {
         kingdom: 'ati', phylum: 'ota', class: 'ia', order: 'ales',
diff --git a/app/views/dev/autocomplete.html.erb b/app/views/dev/autocomplete.html.erb
new file mode 100644
index 00000000..d02e6577
--- /dev/null
+++ b/app/views/dev/autocomplete.html.erb
@@ -0,0 +1,52 @@
+<% content_for(:title, 'Autocomplete development') %>
+
+<p><%= link_to '← Development tools', dev_path %></p>
+
+<h1>Name autocomplete</h1>
+
+<p class="text-muted">
+  Use the prefilled fields to compare rank filters. You can also try searches
+  such as <code>Bacteria</code>, <code>Pseudomonadota</code>, or
+  <code>Escherichia</code>.
+</p>
+
+<div class="row">
+  <div class="col-lg-6">
+    <div class="form-group">
+      <label for="autocomplete-any-rank">Any rank</label>
+      <input id="autocomplete-any-rank" class="form-control" type="text"
+             value="Escher" data-behavior="autocomplete"
+             data-autocomplete="names">
+      <small class="form-text text-muted">
+        Includes names at every rank, including phylum.
+      </small>
+    </div>
+
+    <div class="form-group">
+      <label for="autocomplete-phylum">Phylum only</label>
+      <input id="autocomplete-phylum" class="form-control" type="text"
+             value="Pseu" data-behavior="autocomplete"
+             data-autocomplete="names" data-rank="phylum">
+    </div>
+  </div>
+
+  <div class="col-lg-6">
+    <div class="form-group">
+      <label for="autocomplete-class-or-above">Class or above</label>
+      <input id="autocomplete-class-or-above" class="form-control" type="text"
+             value="Bac" data-behavior="autocomplete"
+             data-autocomplete="names" data-minimum-rank="class">
+      <small class="form-text text-muted">Domain, phylum, or class.</small>
+    </div>
+
+    <div class="form-group">
+      <label for="autocomplete-genus-or-above">Genus or above</label>
+      <input id="autocomplete-genus-or-above" class="form-control" type="text"
+             value="Escher" data-behavior="autocomplete"
+             data-autocomplete="names" data-minimum-rank="genus">
+      <small class="form-text text-muted">
+        Domain through genus; excludes species and subspecies.
+      </small>
+    </div>
+  </div>
+</div>
diff --git a/app/views/dev/index.html.erb b/app/views/dev/index.html.erb
new file mode 100644
index 00000000..ac3bc91e
--- /dev/null
+++ b/app/views/dev/index.html.erb
@@ -0,0 +1,17 @@
+<% content_for(:title, 'Development tools') %>
+
+<h1>Development tools</h1>
+
+<p class="text-muted">
+  Small development-only pages for manually exercising application components.
+</p>
+
+<div class="list-group">
+  <a href="<%= dev_autocomplete_path %>"
+     class="list-group-item list-group-item-action">
+    <strong class="d-block">Name autocomplete</strong>
+    <span class="text-muted">
+      Compare unrestricted, exact-rank, and minimum-rank name searches.
+    </span>
+  </a>
+</div>
diff --git a/app/views/names/autocomplete.json.jbuilder b/app/views/names/autocomplete.json.jbuilder
index 2f21be5d..d3abf716 100644
--- a/app/views/names/autocomplete.json.jbuilder
+++ b/app/views/names/autocomplete.json.jbuilder
@@ -1,5 +1,10 @@
 json.(@names) do |name|
   json.id(name.id)
   json.value(name.name)
-  json.display(name.display)
+  json.rank(name.inferred_rank)
+  json.display(
+    safe_join(
+      [name.display, tag.small(name.inferred_rank, class: 'text-muted')], ' '
+    )
+  )
 end
diff --git a/config/routes.rb b/config/routes.rb
index ab2cb581..a24437ec 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -1,6 +1,11 @@
 Rails.application.routes.draw do
   mount ActionCable.server => '/cable'
 
+  if Rails.env.development?
+    get 'dev', to: 'dev#index'
+    get 'dev/autocomplete', to: 'dev#autocomplete'
+  end
+
   resources :tags
   # General configuration
   root(to: 'application#main')
diff --git a/test/controllers/names_controller_test.rb b/test/controllers/names_controller_test.rb
index 23d0edec..4a63d187 100644
--- a/test/controllers/names_controller_test.rb
+++ b/test/controllers/names_controller_test.rb
@@ -42,6 +42,27 @@ class NamesControllerTest < ActionDispatch::IntegrationTest
     assert_equal('Genome', entry['nomenclatural_type']['class'])
   end
 
+  test 'autocomplete filters names to an exact rank' do
+    get autocomplete_names_url(
+      format: :json, q: 'Bacill', rank: 'phylum'
+    )
+
+    assert_response :success
+    assert_equal ['Bacillota'], autocomplete_values
+    entry = JSON.parse(response.body).first
+    assert_equal 'phylum', entry['rank']
+    assert_includes entry['display'], '>phylum</small>'
+  end
+
+  test 'autocomplete filters names to a minimum rank level' do
+    get autocomplete_names_url(
+      format: :json, q: 'Bacill', minimum_rank: 'class'
+    )
+
+    assert_response :success
+    assert_equal %w[Bacilli Bacillota], autocomplete_values.sort
+  end
+
   test 'add_paratype_strain_commit ignores a tampered name_id' do
     sign_in(users(:curator))
     target_name = names(:unregistered)
@@ -62,4 +83,10 @@ class NamesControllerTest < ActionDispatch::IntegrationTest
     name_paratype = NameParatype.last
     assert_equal(target_name, name_paratype.name)
   end
+
+  private
+
+    def autocomplete_values
+      JSON.parse(response.body).pluck('value')
+    end
 end
diff --git a/test/fixtures/names.yml b/test/fixtures/names.yml
index 1b110973..86001f60 100644
--- a/test/fixtures/names.yml
+++ b/test/fixtures/names.yml
@@ -49,6 +49,21 @@ luteria_ianthellae:
   rank: species
   status: 15 # SeqCode
 
+bacillota:
+  name: Bacillota
+  rank: phylum
+  status: 15 # SeqCode
+
+bacilli:
+  name: Bacilli
+  rank: class
+  status: 15 # SeqCode
+
+bacillales:
+  name: Bacillales
+  rank: order
+  status: 15 # SeqCode
+
 type_genome_with_locations:
   name: Testimonas mappensis
   rank: species
diff --git a/test/models/name_test.rb b/test/models/name_test.rb
index 30b26064..83f2b5f8 100644
--- a/test/models/name_test.rb
+++ b/test/models/name_test.rb
@@ -1,6 +1,14 @@
 require 'test_helper'
 
 class NameTest < ActiveSupport::TestCase
+  test 'ranks at or above returns ranks from domain through the given rank' do
+    assert_equal %w[domain phylum class], Name.ranks_at_or_above('class')
+  end
+
+  test 'ranks at or above returns nil for an unknown rank' do
+    assert_nil Name.ranks_at_or_above('strain')
+  end
+
   test 'add_to_register adds name to a draft register' do
     name = names(:unregistered)
     register = registers(:draft)