Guide to New Zealand's freshwater invertebrates
Unsegmented worms
There are four very different groups of unsegmented freshwater worms. They range from the almost invisibly tiny nematodes to the gordians (“horse-hair” worms) that may be many centimetres long.
-
Flatworms
(Cura) -
Flatworms
(Neppia) -
Horse hair (or Gordian) worms
(Nematomorpha) -
Nematode worms
(Nematodes) -
Proboscis worms
(Nemertea) -
Rhabdocoels
(Dalyellidae) -
Rhabdocoels
(Temnocephalidae)