Ribbon worm, any member of the invertebrate phylum Nemertea (sometimes called ... "The Proboscis Worm's Mouth of Horrors." Moreover, Nature's article on the topic of ribbon worms, titled, "A ...

Jellyfish include any planktonic marine member of the class Scyphozoa (phylum Cnidaria), which is ... using a single tentacle to move prey to its mouth. The large nerve net includes rhopalia ...

Animal evolution: Sponges really are oldest animal phylum. ScienceDaily . Retrieved May 23, 2025 from www.sciencedaily.com / releases / 2015 / 12 / 151201130729.htm ...