With volume EM, we followed the neuronal targets of the very first pioneer neurons at the apical and posterior ends of the larva of the annelid Malacoceros fuliginosus. We observed that all of these ...

This research suggests a conservative pattern of ovary organization among clitellate annelids, which may help clarify phylogenetic relationships within the group[1]. Another investigation focused ...

The information is presented and contains 128 species of parasites, distributed among the higher taxa as follows: Turbellaria (2 species), Trematoda (34 species), Cestoda (1 species), Annelida (38 ...