They include freshwater sponges, annelid worms, molluscs terrestrial and freshwater, arachnids, scorpions and mygales of this many vicariant to the mygales of Queensland.
32.
""'Lumbriculus kareliensis " "', an Annelid worm, was described by Popchenko in 1976 from material collected in Karelia.
33.
It eats smaller ( biotic ) animals and plants small crustaceans, algae, annelid worms, shrimp, zooplankton, copepods, amphipods, squid, and insects.
34.
"' Parafabricia mazzellae "'is a species of annelid worm in the class Polychaeta, which particularly lives in slightly acidified coastal systems in the Mediterranean Sea.
35.
"' Brifacia aragonensis "'is a species of annelid worm in the class Polychaeta, which particularly lives in slightly acidified coastal systems in the Mediterranean Sea.
36.
"Hedgehog " is also involved in segmentation in the annelid worms; because parallel evolution seems unlikely, this suggests a common origin of segmentation between the two phyla.
37.
The eggs of some digeneans, for example, are ( passively ) eaten by snails ( or, rarely, by an annelid worm ), in which they proceed to hatch.
38.
Annelid worms such as leeches all have an anterior ( oral ) sucker formed from the first six segments of their body, which is used to connect to a host for feeding.
39.
Most of the phyla featured in the debate about the Cambrian explosion are coelomates : arthropods, annelid worms, molluscs, echinoderms, and chordates the noncoelomate priapulids are an important exception.
40.
The "'Clitellata "'are a class of annelid worms, characterized by having a clitellum-the'collar'that forms a reproductive cocoon during part of their life cycles.
