Annelida is a diverse group of animals, commonly referred to as segmented worms and currently comprising around 14000 described species. Found in most marine an

This book covers the major aspects of phylogeny and reproductive biology of frogs in chapters written by major authorities. Topics treated are: anuran phylogeny

Annelids offer a diversity of experimentally accessible features making them a rich experimental subject across the biological sciences, including evolutionary

In this Special Issue, we address the state of the art of the systematics of the main annelid groups and the improvements in the diversity they hold, with speci

Annelids (the segmented worms) exist in a remarkably diverse range of mostly marine but also freshwater and terrestrial habitats, varying greatly in size and fo