👉 Pseudoasiochaetes, also known as pseudosiphonids, are a group of small, flat-bodied marine invertebrates that live in the ocean's seafloor and are not true echinoderms or sponges. They are characterized by their large, flattened bodies and soft, rounded exoskeletons, which allows them to float on water. Pseudoasiochaetes feed primarily on plankton and small invertebrates, including zooplankton, while they