Body with a distinctly marked colour pattern, consisting of longitudinal or transverse bands or patches contrasting with the body colour, at least on the dorsal surface
Step 2
Body uniformly coloured, without a marked colour pattern (gonads might be seen through the skin)
Step 15
42 possible taxa remaining show common names
- Amphiporus bioculatus
- Amphiporus cordiceps
- Amphiporus hastatus
- Amphiporus lactifloreus
- Callinera buergeri
- Carcinonemertes carcinophila
- Carinina arenaria
- Carinina coei
- Carinoma armandi
- Cephalothrix arenaria
- Cephalothrix linearis
- Cephalothrix rufifrons
- Cerebratulus fuscus
- Cerebratulus marginatus
- Emplectonema gracile
- Emplectonema neesii
- Hubrechtella dubia
- Lineus albocinctus
- Lineus bilineatus
- Lineus lacteus
- Lineus longissimus
- Lineus ruber
- Lineus sanguineus
- Lineus viridis
- Malacobdella grossa
- Micrura fasciolata
- Micrura purpurea
- Nemertopsis flavida
- Nipponnemertes pulcher
- Oerstedia dorsalis
- Procephalothrix filiformis
- Tetrastemma candidum
- Tetrastemma flavidum
- Tetrastemma helvolum
- Tetrastemma melanocephalum
- Tetrastemma robertianae
- Tetrastemma vermiculus
- Tubulanus annulatus
- Tubulanus linearis
- Tubulanus polymorphus
- Tubulanus superbus
- Tubulanus theeli
Decision path