Cotylea (worm)

Cotylea is a suborder of free-living marine turbellarian flatworms in the order Polycladida.

Families

 * Anonymoidea Dittmann, Cuadrado, Aguado, Noreña & Egger, 2019
 * Anonymidae Lang, 1884
 * Chromoplanidae Bock, 1922
 * Boninioidea Dittmann, Cuadrado, Aguado, Noreña & Egger, 2019
 * Amyellidae Faubel, 1984
 * Boniniidae Bock, 1923
 * Theamatidae Marcus, 1949
 * Ditremagenioidea Faubel, 1984
 * Ditremageniidae Palombi, 1928
 * Opisthogenioidea Faubel, 1984
 * Opisthogeniidae Palombi, 1928
 * Periceloidea Bahia, Padula & Schrödl, 2017
 * Pericelidae Laidlaw, 1902
 * Pseudocerotoidea Faubel, 1984
 * Laidlawiidae Herzig, 1905
 * Stylochoididae Bock, 1913
 * Stylostomidae Dittmann, Cuadrado, Aguado, Noreña & Egger, 2019
 * Cestoplanidae Lang, 1884
 * Dicteroidae Faubel, 1984
 * Diposthidae Woodworth, 1898
 * Euryleptidae Stimpson, 1857
 * Prosthiostomidae Lang, 1884
 * Pseudocerotidae Lang, 1884