Cotylea (worm)
Cotylea is a suborder of free-living marine turbellarian flatworms in the order Polycladida.Superfamilies
- Superfamily Ditremagenioidea Palombi, 1928
- * Family Ditremageniidae Palombi, 1928
- Superfamily Euryleptoidea Stimpson, 1857
- * Family Euryleptidae Stimpson, 1857
- * Family Euryleptididae Faubel, 1984
- * Family Laidlawiidae Herzig, 1905
- * Family Prosthiostomidae Lang, 1884
- Superfamily Opisthogenioidea Palombi, 1928
- * Family Opisthogeniidae Palombi, 1928
- Superfamily Pseudocerotoidea Faubel, 1984
- * Family Amyellidae Faubel, 1984
- * Family Anonymidae Lang, 1884
- * Family Boniniidae Bock, 1923
- * Family Chromoplanidae Bock, 1922
- * Family Dicteroidae Faubel, 1984
- * Family Diphosthiidae Woodworth, 1898
- * Family Pericelidae Laidlaw, 1902
- * Family Pseudocerotidae Lang, 1884
- * Family Stylochoididae Bock, 1913