👉 Chrysosilpa is a type of silpa, an extinct phylum of marine invertebrates that lived during the Mesozoic era. It was characterized by its large size and strong, streamlined body structure, which allowed it to swim efficiently through the water column. Chrysosilpa had a highly specialized cephalopod-like skeleton with two pairs of arms (legs) attached to the sides of the head and a long, flexible tail that could be used for swimming or maneuver