UPDATE: The critter is a pelagic sea cucumber, phylum Echinodermata, genus Enypniastes which is #20 on our list The 27 Best Deep-Sea Species. I can’t definitively ID to species from the image. But a ...

They are invertebrates from the phylum Cnidaria and are so varied as a taxonomic group that many scientists simply refer to them as "gelatinous zooplankton." Jellyfish don't have scales ...

That original animal, also referred to as the "ur-animal," is thought to have given rise to both the "lower" animals (Cnidaria), such as coral and ... researchers are now putting forth a new ...

Jellyfish include any planktonic marine member of the class Scyphozoa (phylum Cnidaria), which is a group ... and development of Scyphozoans, the taxonomic class that includes jellyfish most ...

Among the phylum cnidaria, GFP-like fluorescent proteins ... Another study has found GFP in 3 species of the Phylum Chordata (genus: Branchiostoma) – B. floridae, B. lanceolatum, and B.