Drawing of ribbon worms:
<ul><li><b>1</b> – <i>Carinella bayulensis</i> (=<i><a href="//commons.wikimedia.org/wiki/Category:Tubulanus_banyulensis" title="Category:Tubulanus banyulensis">Tubulanus banyulensis</a></i>)</li>
<li><b>2</b> – <i>Carinella aragoi</i> (=<i><a href="//commons.wikimedia.org/wiki/Category:Tubulanus_annulatus" title="Category:Tubulanus annulatus">Tubulanus annulatus</a></i>)</li>
<li><b>3</b>–<b>4</b> – <i><a href="//commons.wikimedia.org/wiki/Category:Poliopsis_lacazei" title="Category:Poliopsis lacazei">Poliopsis lacazei</a></i></li>
<li><b>5</b> – <i>Cerebratulus geniculatus</i> (=<i><a href="//commons.wikimedia.org/wiki/Category:Notospermus_geniculatus" title="Category:Notospermus geniculatus">Notospermus geniculatus</a>)</i></li>
<li><b>6</b>–<b>8</b> – <i>Amphiporus marmoratus</i> (=<i><a href="//commons.wikimedia.org/wiki/Category:Amphiporus_arcticus" title="Category:Amphiporus arcticus">Amphiporus arcticus</a></i>; Note: <i>Amphiporus marmoratus</i> is a valid species, but Joubin's description has been synonymised with <i>Amphiporus arcticus</i>)</li>
<li><b>9</b> – <i>Drepanophorus rubrostriatus</i> (=<i><a href="//commons.wikimedia.org/wiki/Category:Brinkmannia_mediterranea" title="Category:Brinkmannia mediterranea">Brinkmannia mediterranea</a></i>; Note: <i>Drepanophorus rubrostriatus</i> is a valid species, but Joubin's description has been synonymised with <i>Brinkmannia mediterranea</i>)</li>
<li><b>10</b> – <i>Nemertes duoni</i> (=<a href="//commons.wikimedia.org/wiki/Category:Emplectonema_duoni" title="Category:Emplectonema duoni">Emplectonema duoni</a>)</li>
<li><b>11</b>–<b>12</b> – <i>Tetrastemma rustica</i> (=<i><a href="//commons.wikimedia.org/wiki/Category:Oerstedia_rustica" title="Category:Oerstedia rustica">Oerstedia rustica</a></i>)</li>
<li><b>13</b> – <i>Tetrastemma dorsalis</i> (=<i><a href="//commons.wikimedia.org/wiki/Category:Oerstedia_dorsalis" title="Category:Oerstedia dorsalis">Oerstedia dorsalis</a></i>).</li></ul>
Louis Jouben (1861–1935)
Joubin, L. (1890). Recherches sur les Turbellariés des côtes de France (Némertes). <i>Archives de zoologie expéimentale et générale</i> Série 2 <b>8</b>: 461–602. <a rel="nofollow" class="external text" href="https://www.biodiversitylibrary.org/item/28409#page/789/mode/1up">Plate XXV</a>