This week, scientists described a mushroom-shaped sea creature that may be in a phylum all its own. Two species of the newly described animal were found along the bottom of the ocean as deep as ...

[Related: .] Comb jellies make up over 100 known species in the phylum ctenophora. These tiny, oval shaped marine invertebrates use eight rows of comb-like plates to move throughout the water.

Though they look similar to jellyfish, they don’t sting and belong to a different phylum, Ctenophora, which is Greek for “comb-bearers.” ...

Some species of comb jellies (phylum Ctenophora) live thousands of metres below the ocean’s surface, where pressures are hundreds of times greater than those at the surface.