S
Cancellaria cooperiiW
Cancellaria cooperii
DicyemidaW
Dicyemida
A
DicyemidaeW
Dicyemidae
HaemadipsaW
Haemadipsa
B
Haemadipsa interruptaW
Haemadipsa interrupta
Haemadipsa pictaW
Haemadipsa picta
C
MyzostomidaW
Myzostomida
NematomorphaW
Nematomorpha
D
Paragordius tricuspidatusW
Paragordius tricuspidatus
Parasitic wormW
Parasitic worm
E
Phytobdella cateniferaW
Phytobdella catenifera
Spinochordodes telliniiW
Spinochordodes tellinii
F
SquamodiscW
Squamodisc
Sucker (zoology)W
Sucker (zoology)