- phylum Nemertea
Unarmed (without stylets) proboscis not specialized into three regions; mouth separate from proboscis pore; longitudinal nerve cords located within the epidermis, dermis or muscle layers (not in mesenchymal mass internal to body wall muscles).
Revision of the nemertean fauna of the Pacific coasts of North, Central, and northern South America.. Allan Hancock Pacif. Exped.. 247-322.(1940).