Additional
Information: The acanthocephalans include about 1150 species, all of them parasitic. They have elongate, dorso-ventrally flattened forms, ranging from 2mm to approximately 1 metre in length. The most characteristic feature of this phylum is a spiny proboscis which ca
Phylum Acanthocephala Phylum Acanthocephala: Brief description and images of this phylum of parasitic invertebrate animals. (Acanthocephala) http://www.biology.missouri.edu/courses/Bio10/Acanthocephala.html