Molecular phylogeny of echiuran worms (Phylum: Annelida) reveals evolutionary pattern of feeding mode and sexual dimorphism.
The Echiura, or spoon worms, are Aromatherapy a group of marine worms, most of which live in burrows in soft sediments.This annelid-like animal group was once considered as a separate phylum because of the absence of segmentation, although recent molecular analyses have placed it within the annelids.In this study, we elucidate the interfamily relat