Cotylea (worm)

Cotylea is a suborder of free-living marine turbellarian flatworms in the order Polycladida.^[1]

Pseudobiceros gloriosus (flatworm) on Polycarpa aurata (seasquirt)

Cotylea
From the left to right of each row, from top to bottom: Pseudobiceros gloriosus (Pseudocerotidae), Eurylepta sp. (Euryleptidae), Pericelis sp. (Periceloidea), Chromoplana sirena (Anonymoidea), Cestoplana sp. (Cestoplanidae), and Lurymare clavocapitata (Prosthiostomidae)
Scientific classification
Kingdom:	Animalia
Phylum:	Platyhelminthes
Order:	Polycladida
Suborder:	Cotylea Lang, 1884
Families
See text

Taxonomy

The following clades are recognized as being included in the suborder Cotylea:^[2]

• Superfamily Anonymoidea Dittmann, Cuadrado, Aguado, Noreña & Egger, 2019
  • Family Anonymidae Lang, 1884
    • Genus Anonymus Lang, 1884
    • Genus Marcusia Hyman, 1953
    • Genus Simpliciplana Kaburaki, 1923
  • Family Chromoplanidae Bock, 1922
    • Genus Chromoplana Bock, 1922

• Superfamily Boninioidea Dittmann, Cuadrado, Aguado, Noreña & Egger, 2019
  • Family Amyellidae Faubel, 1984
    • Genus Amyella Bock, 1922
    • Genus Chromyella Correa, 1958
  • Family Boniniidae Bock, 1923
    • Genus Boninia Bock, 1923
    • Genus Paraboninia Prudhoe, 1944
    • Genus Traunfelsia Laidlaw, 1906
  • Family Theamatidae Marcus, 1949
    • Genus Theama Marcus, 1949

• Superfamily Ditremagenioidea Faubel, 1984
  • Family Ditremageniidae Palombi, 1928
    • Genus Ditremagenia Palombi, 1928

• Superfamily Opisthogenioidea Faubel, 1984
  • Family Opisthogeniidae Palombi, 1928
    • Genus Opisthogenia Palombi, 1928

• Superfamily Periceloidea Bahia, Padula & Schrödl, 2017
  • Family Pericelidae Laidlaw, 1902
    • Genus Pericelis Laidlaw, 1902

• Superfamily Pseudocerotoidea Faubel, 1984
  • Family Euryleptididae Faubel, 1984
    • Genus Euryleptides Palombi, 1923
  • Family Laidlawiidae Herzig, 1905
    • Genus Laidlawia Herzig, 1905
  • Family Stylochoididae Bock, 1913
    • Genus Stylochoides Hallez, 1907
  • Family Stylostomidae Dittmann, Cuadrado, Aguado, Noreña & Egger, 2019
    • Genus Euryleptodes Heath & McGregor, 1912
    • Genus Stylostomum Lang, 1884

• Family Cestoplanidae Lang, 1884
  • Genus Acestoplana Faubel, 1983
  • Genus Cestoplana Lang, 1884
  • Genus Cestoplanella Faubel, 1983
  • Genus Cestoplanides Faubel, 1983
  • Genus Cestoplanoida Faubel, 1983
  • Genus Eucestoplana Faubel, 1983

• Family Dicteroidae Faubel, 1984
  • Genus Dicteros Jacubowa, 1906

• Family Diposthidae Woodworth, 1898
  • Genus Asthenoceros Laidlaw, 1903
  • Genus Diposthus Woodworth, 1898

• Family Euryleptidae Stimpson, 1857
  • Genus Acerotisa Strand, 1928
  • Genus Anciliplana Heath & McGregor, 1912
  • Genus Ascidiophilla Newman, 2002
  • Genus Cycloporus Lang, 1884
  • Genus Eurylepta Ehrenberg, 1831
  • Genus Katheurylepta Faubel, 1984
  • Genus Leptoteredra Hallez, 1913
  • Genus Maritigrella Newman & Cannon, 2000
  • Genus Oligoclado Pearse, 1938
  • Genus Oligocladus Lang, 1884
  • Genus Parastylostomum Faubel, 1984
  • Genus Pareurylepta Faubel, 1984
  • Genus Praestheceraeus Faubel, 1984
  • Genus Prostheceraeus Schmarda, 1859
  • Genus Stygolepta Faubel, 1984

• Family Prosthiostomidae Lang, 1884^[3][4]
  • Genus Enchiridium Bock, 1913
  • Genus Enterogonimus Hallez, 1913
  • Genus Euprosthiostomum Bock, 1925
  • Genus Lurymare Marcus & Marcus, 1968
  • Genus Prosthiostomum Quatrefages, 1845

• Family Pseudocerotidae Lang, 1884^[3]
  • Genus Acanthozoon Collingwood, 1876
  • Genus Bulaceros Newman & Cannon, 1996
  • Genus Monobiceros Faubel, 1984
  • Genus Nymphozoon Hyman, 1959
  • Genus Phrikoceros Newman & Cannon, 1996
  • Genus Pseudobiceros Faubel, 1984
  • Genus Pseudoceros Lang, 1884
  • Genus Thysanozoon Grube, 1840
  • Genus Tytthosoceros Newman & Cannon, 1996
  • Genus Yungia Lang, 1884